15 cool projects from the labs of Google, Microsoft, Mozilla and Yahoo

What's cooking in the labs

February 26th | Tell us what you think [ 0 comments ]

If you give Garcon enough del.icio.us bookmarks to play with, it's a useful and interesting way to find interesting new links

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One of the best things about technology is the way in which bright ideas become indispensable in a very short time - even the mighty Google is just ten years old, for example, and Firefox is barely four.

Bright ideas become everyday essentials in the blink of an eye, and what's being tested today could well be tasty tomorrow.

So what do Google, Yahoo, Microsoft and Mozilla have up their shiny digital sleeves?

Let's hit the labs and find out.

From Google's labs

1. Experimental Search
Google does a great job, but it often produces results you don't care about. With Experimental Search you can add sites you trust - Techradar, say, or MetaCritic, as well as blogs or local information sites - and results from those sites will be given higher priority. Other options include better accessibility and different ways of viewing search results.

2. Product Search for Mobile
Guaranteed to annoy your friendly neighbourhood retail chain, Product Search for Mobile enables you to check online prices to see if you're bagging a bargain or about to get stiffed.

3. Gaudi
Google Audio Indexing, or Gaudi for short, looks beyond the basic data of an audio or video file - its name, user tags and so on - and actually indexes the words people say. For now it's only available for US political speeches, but in the long term it could potentially index any audio content from YouTube clips to MP3s.

4. Google Mars
Fancy looking for Martians or discovering whether The Watchmen really do have a base on the Red Planet? Google Mars brings the power of Google Maps to nearby planets. Sadly Street View and Local Search aren't yet available, so if you're trying to find a kebab shop you're out of luck.

From Yahoo's labs

5. Garcon
Essentially a smarter StumbleUpon, Garcon analyses your del.icio.us bookmarks, analyses other users' bookmarks and tries to come up with new sites that you might find interesting. It works based on recent activity, so if you haven't bookmarked anything Garcon doesn't have any sites to start from, but give it enough data and the results are interesting.

6. TagExplorer
It's really ugly, but Tag Explorer is a nifty way of building complex queries to search Flickr for photos. Each time you choose a tag, related ones appear, enabling you to refine your search to very specific criteria.

7. Pictcha
Pictcha is inspired. Not only does it make spammers' jobs harder by getting visitors to tag an image that will baffle any computer, but the results could also help to classify images for Yahoo's Image Search.

8. MapChat
Planning a get-together or an event? MapChat combines instant messaging and mapping so you can explore potential locations with your friends, share notes and discuss the possibilities.

From Microsoft's labs

9. Infinite Canvas
Infinite Canvas is our kind of technology: online comic books from the likes of Neil Gaiman and Scott McCloud, delivered in a fast, strip-friendly format inside your web browser. We could spend weeks on this one.

10. Seadragon
Seadragon wants to change the way we use screens from mobiles to wall-sized monsters, and to do that it delivers seamless image zooming, with data streaming as you get closer. If you're as impressed as we are you can easily stick Seadragon on your own site.

11. Thumbtack
Wouldn't it be great if we could use the internet instead of our brains? Thumbtack is designed to help with that. It's a one-stop shop for storing anything interesting you spot online, from sites to media clips to blocks of text. Best of all, you can share your collections with friends or colleagues.

12. Social Desktop
This one's a long way from becoming an everyday technology, but the potential is fascinating. Social Desktop combines your PC desktop with cloud computing and social networking so you can share local files in much the same way you'd share a link or a video clip online.

From Mozilla's labs

13. Bespin
Forget Dreamweaver: when Bespin grows up, it's going to deliver fully featured, browser based web editing via cloud computing, so your code is available from any browser. Version 0.1 is basic, but it's enough to get us excited about Bespin's potential.

14. Ubiquity
Mozilla's own description of Ubiquity nails it: "With search, users type what they want to find. With Ubiquity, they type what they want to do." Want to see a table of data in a map? Bring up Ubiquity and type "map these" for an instant map. Essentially it brings mashup-making to anybody, with data from one service quickly and easily sent to another.

15. Weave
With more and more of us accessing the web from multiple devices and multiple locations, Weave could be very handy: the idea is to ensure that anything you've got in Firefox - bookmarks, history, customisation options, RSS feeds - is available wherever you happen to be.

Google: 101 tips, tricks and hacks The ultimate collection of Google tips

Google: 101 tips, tricks and hacks
The ultimate collection of Google tips

January 27th | Tell us what you think [ 1 comments ]
google-logo

Search faster and smarter with Google - 101 must-know tips

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1. The best way to begin searching harder with Google is by clicking the Advanced Search link.

2. This lets you search for exact phrases, "all these words", or one of the specified keywords by entering search terms into the appropriate box.

3. You can also define how many results you want on the page, what language and what file type you're looking for, all with menus.

4. Advanced Search lets you type in a Top Level Domain (like .co.uk) in the "Search within site of domain" box to restrict results.

5. And you can click the "Date, usage rights, numeric range and more" link to access more advanced features.

6. Save time – most of these advanced features are also available in Google's front page search box, as command line parameters.

7. Google's main search invisibly combines search terms with the Boolean construct "AND". When you enter smoke fire – it looks for smoke AND fire.

8. To make Google search for smoke or fire, just type smoke OR fire

9. Instead of OR you can type the | symbol, like this: smoke | fire

10. Boolean connectors like AND and OR are case sensitive. They must be upper case.

11. Search for a specific term, then one keyword OR another by grouping them with parentheses, like this: water (smoke OR fire)

12. To look for phrases, put them in quotes: "there's no smoke without fire"

13. Synonym search looks for words that mean similar things. Use the tilde symbol before your keyword, like this: ~eggplant

14. Exclude specific key words with the minus operator. new pram -ebay excludes all results from eBay.

15. Common words, like I, and, then and if are ignored by Google. These are called "stop words".

16. The plus operator makes sure stop words are included. Like: fish +and chips

17. If a stop word is included in a phrase between quote marks as a phrase, the word is searched for.

18. You can also ask Google to fill in a blank. Try: Christopher Columbus discovered *

19. Search for a numerical range using the numrange operator. For example, search for Sony TV between £300 and £500 with the string Sony TV £300..£500

20. Google recognises 13 main file types through advanced search, including all Microsoft Office Document types, Lotus, PostScript, Shockwave Flash and plain text files.

21. Search for any filetype directly using the modifier filetype:[filetype extension]. For example: soccer filetype:pdf

22. Exclude entire file types, using the same Boolean syntax we used to exclude key words earlier: rugby -filetype:doc

23, In fact, you can combine any Boolean search operators, as long as your syntax is correct. An example: "sausage and mash" -onions filetype:doc

24. Google has some very powerful, hidden search parameters, too. For example "intitle" only searches page titles. Try intitle:herbs

25. If you're looking for files rather than pages – give index of as the intitle: parameter. It helps you find web and FTP directories.

26. The modifier inurl only searches the web address of a page: give inurl:spices a go.

27. Find live webcams by searching for: inurl:view/view.shtml

28. The modifier inanchor is very specific, only finding results in text used in page links.

29. Want to know how many links there are to a site? Try link:sitename – for example link:www.mozilla.org

30. Similarly, you can find pages that Google thinks are related in content, using the related: modifier. Use it like this: related:www.microsoft.com

31. The modifier info:site_name returns information about the specified page.

32. Alternatively, do a normal search then click the "Similar Pages" link next to a result.

33. Specify a site to search with the site: modifier – like this: search tips site:www.techradar.com

34. The above tip works with directory sites like www.dmoz.org and dynamically generated sites.

35. Access Google Directory – a database of handpicked and rated sites – at directory.google.com

36. The Boolean operators intitle and inurl work in Google directory, as does OR.

37. Use the site: modifier when searching Google Images, at images.google.com. For example: dvd recorder site:www.amazon.co.uk

38. Similar, using "site:.com" will only return results from .com domains.

39. Google News (news.google.com) has its own Boolean parameters. For example "intext" pulls terms from the body of a story.

40. If you use the operator "source:" in Google News, you can pick specific archives. For example: heather mills source:daily_mail

41. Using the "location:" filter enables you to return news from a chosen country. location:uk for example.

42. Similarly, Google Blogsearch (blogsearch.google.com) has its own syntax. You can search for a blog title, for example, using inblogtitle:

43. The general search engine can get very specific indeed. Try movie: to look for movie reviews.

44. The modifier film: works just as well!

45. Enter showtimes and Google will prompt you for your postcode. Enter it and it'll tell you when and where local films are showing.

46. For a dedicated film search page, go to www.google.co.uk/movies

47. If you ticked "Remember this Location" when you searched for show times, the next time you can enter the name of a current film instead.

48. Google really likes movies. Try typing director: The Dark Knight into the main search box.

49. For cast lists, try cast: name_of_film

50. The modifier music: followed by a band, song or album returns music reviews.

51. Try searching for weather London – you'll get a full 4-day forecast.

52. There's also a built-in dictionary. Try define: in the search box.

53. Google stores the content of old sites. You can search this cache direct with the syntax keyword cache:site_url

54. Alternatively, enter cache:site_url into Google's search box to be taken direct to the stored site.

55. No calculator handy? Use Google's built in features. Try typing 12*15 and hitting "Google Search".

56. Google's calculator converts measurements and understands natural language. Type in 14 stones in kilos, for example.

57. It does currency conversion too. Try 200 pounds in euros

58. If you know the currency code you can type 200 GBP in EUR instead for more reliable results.

59. And temperature! Just type: 98 f to c to convert Fahrenheit to Centigrade.

60. Want to know how clever Google really is? Type 2476 in roman numerals, then hit "Google Search"...

61. You can personalise your Google experience by creating a Google account. Go to www.google.com/account/ then click "Create Account".

62. With a Google account there are lots more extras available. You'll get a free Gmail email account for one...

63. With your Google account, you can also personalise your front page. Click "iGoogle" to add blog and site feeds.

64. Click "Add a Tab" in iGoogle to add custom tabs. Google automatically populates them with suitable site suggestions.

65. iGoogle allows you to theme your page too. Click "Select Theme" to change the default look.

66. Some iGoogle themes change with time..."Sweet Dreams" is a theme that turns from day to night as you browse.

67. Click "More" under "Try something new" to access a full list of Google sites and new features.

68. "Custom Search" enables you to create a branded Google search for your own site.

69. An active, useful service missing from the list is "Personalised Search" – but you can access it via www.google.com/psearch when you're logged in.

70. This page lists searches you have recently made – and is divided into categories. Clicking "pause" stops Google from recording your history.

71. Click "Trends" to see the sites you visit most, the terms you enter most often and links you've clicked on!

72. Personalised Search also includes a bookmark facility – which enables you to save bookmarks online and access them from anywhere.

73. You can add bookmarks or access your bookmarks using the iGoogle Bookmarks gadget.

74. Did you know you can search within your returned results? Scroll down to the bottom of the search results page to find the link.

75. Search locally by appending your postcode to the end of query. For example Indian food BA1 2BW finds restaurants in Bath, with addresses and phone numbers!

76. Looking for a map? Just add map to the end of your query, like this: Leeds map

77. Google finds images just as easily and lists them at the top, when you add image to the end of your search.

78. Google Image Search recognises faces... add &imgtype=face to the end of the returned URL in the location bar, then hit enter to filter out pictures that aren't people.

79. Keeping an eye on stocks? Type stocks: followed by market ticker for the company and Google returns the data from Google Finance.

80. Enter the carrier and flight number in Google's main search box to return flight tracking information.

81. What time is it? Find out anywhere by typing time then the name of a place.

82. You may have noticed Google suggests alternate spellings for search terms – that's the built in spell checker!

83. You can invoke the spell checker directly by using spell: followed by your keyword.

84. Click "I'm Feeling Lucky" to be taken straight to the first page Google finds for your keyword.

85. Enter a statistics-based query like population of Britain into Google, and it will show you the answer at the top of its results.

86. If your search has none-English results, click "Translate this Page" to see it in English.

87. You can search foreign sites specifically by clicking "Language Tools", then choosing which countries sites to translate your query to.

88. Other features on the language tools page include a translator for blocks of text you can type or cut and paste.

89. There's also a box that you can enter a direct URL into, translating to the chosen language.

90. Near the language tools link, you'll see the "Search Preferences". This handy page is full of secret functionality.

91. You can specify which languages Google returns results in, ticking as many (or few) boxes as you like.

92. Google's Safe Search protects you from explicit sexual content. You can choose to filter results more stringently or switch it off completely.

93. Google's default of 10 results a page can be increased to up to 100 in Search Preferences, too.

94. You can also set Google to open your search results in a new window.

95. Want to see what others are searching for or improve your page rank? Go to www.google.com/zeitgeist

96. Another useful, experimental search can be found at www.google.com/trends – where you can find the hottest search terms.

97. To compare the performance of two or more terms, enter them into the trends search box separated by commas.

98. Fancy searching Google in Klingon? Go to www.google.com/intl/xx-klingon

99. Perhaps the Swedish chef from the muppets is your role model instead? Check www.google.com/intl/xx-bork

100. Type answer to life, the universe and everything into Google. You may be surprised by the result...

101. It will also tell you the number of horns on a unicorn

Running the Google Chrome browser? Check out our 30 Google Chrome tips, tricks and shortcuts

By Karl Hodge

MOZILLA CONFIGURATION WIZARD: CHANGE THE MOZILLA TO YOUR WISHLIST

About:config entries

From MozillaZine Knowledge Base

(Redirected from Firefox : FAQs : About:config Entries)

The correct title of this article is about:config entries. It appears incorrectly here due to technical limitations in the wiki software.

This is not the place to edit your configuration settings. This is a reference to the entries in about:config, where all user preferences can be viewed and modified. Entries that apply to Firefox or Thunderbird may also apply to Mozilla Suite/SeaMonkey and vice versa.

This article does not contain a complete list of all preferences. If you don't find an entry below for a given preference, check the Category:Preferences (multiple-page) listing, which includes many new preferences that have not been added here, as well as those preferences that have been migrated from sections of this article. Also check Mail and news settings for a listing of Thunderbird and Mozilla Suite/SeaMonkey mail and news preferences. Alternative lists can be found at the Preferential project, Mozilla's networking documentation, and Mozilla's embedding documentation.

For a comparison view of table and actual about:config settings, use the Split Browser extension to show one above the other.

Finding item documentation for a preference from within about:config can be speeded up with use of Prefsearch extension, which adds a context menu item to search Google for the selected preference item.

Note: Spaces between the dots in preference names exist purely for word-wrapping. They are actually not present and should not be thought as so. Editors of this page must take care to follow this convention in order to not force users to horizontally scroll this article.

Contents [hide] 1 Accessibility.* 2 Advanced.* 3 Alerts.* 4 App.* 5 Bidi.* 6 Browser.* 7 Config.* 8 Content.* 9 DOM.* 10 Editor.* 11 Extensions.* 12 Font.* 13 General.* 14 Intl.* 15 Javascript.* 16 Layout.* 17 Mail.* 18 Mailnews.* 19 Middlemouse.* 20 Mousewheel.* 21 Network.* 22 News.* 23 NGLayout.* 24 Plugin.* 25 Print.* 26 Privacy.* 27 Profile.* 28 Security.* 29 Signon.* 30 Snav.* 31 Toolkit.* 32 UI.* 33 Update.*, Update_notifications.* 34 View_source.* 35 XPInstall.* 36 Miscellaneous

[edit]

Accessibility.*

accessibility.* allows you to modify Find As You Type behavior, change how the [Tab] key works in web pages and XUL, turn on caret browsing, and tweak other accessibility-related features.

accessibility.* has been migrated to Category:Preferences.

[edit]

Advanced.*

advanced contains two prefs: Advanced.mailftp and Advanced.system.supportDDEExec.

advanced.* has been migrated to Category:Preferences.

[edit]

Alerts.*

alerts.* contains three prefs, all related to the GUI: Alerts.slideIncrement, Alerts.slideIncrementTime, and Alerts.totalOpenTime.

alerts.* has been migrated to Category:Preferences.

[edit]

App.*

app.* allows you to modify application update behaviour.

app.* has been migrated to Category:Preferences.

[edit]

Bidi.*

Name	Type	Meaning of Values
bidi. browser. ui	Boolean	True: Activiates bidi interface and keyboard unconditionally False: Only activates bidi interface and keyboard in bidi locales. (Default)
bidi. characterset	Integer	How the browser determines the character set to use 1 (default): Document-specified character set 2: Default character set
bidi. controlstextmode	Integer	How controls are used 1 (default): Logical 2: Visual (this is no longer supported and leads to strange side-effects, see bug 373319) 3: Container
bidi. direction	Integer	Select direction of text 1 (default): Left-to-right 2: Right-to-left
bidi. numeral	Integer	How numerals are displayed 0 (default): Nominal numerals 1: Regular context numerals 2: Hindi context numerals 3: Arabic numerals 4: Hindi numerals
bidi. support	Integer	Select provider of bi-directional support 1 (default): Mozilla 2: OS 3: Disable
bidi. texttype	Integer	Type of text 1 (default): Charset 2: Logical 3: Visual
bidi.edit.caret movement style
bidi.edit.delete immediately

[edit]

Browser.*

Name	Type	Meaning of Values
browser. active_color	String	The default color for active links as a hex code. Default is #EE0000.
browser. anchor_color	String	The default color for links as a hex code. Default is #0000EE Note: This can be changed in Firefox via "Tools → Options → Content / Fonts & Colors → Colors... → Link Colors → Unvisited Links" (Firefox 1.5 and above) or "Tools → Options → General / Fonts & Colors → Link Colors → Unvisited Links" (Firefox 1.0.x) and via "Edit → Preferences → Appearance → Colors / Link Colors → Unvisited Links" in Mozilla Suite and SeaMonkey.
browser. backspace_action	Integer	Determines the behavior of the backspace key 0: Goes back in history 1: Acts as Page Up 2 (and above): Does nothing Note: See bug 301248 (Mozilla Suite)
browser. blink_allowed	Boolean	True (default): Use of the blink tag or CSS's text-decoration: blink will result in blinking elements. False: Blinking is disabled.
browser. block. target_new_window	Boolean	True: Links with target set to _blank will open in the current tab instead of a new window. False: Links with target set to _blank will open in a new window. Note: No longer in use. Use browser.link.open_newwindow instead.
browser. bookmarks. added_static_root	Boolean	Keeps track of whether a root folder for system (imported) bookmarks has been created in bookmarks.html. True: The root folder has been created False (default until import complete): Create the root folder (unless we're using dynamic bookmarks - browser.bookmarks.import_system_favorites), and then set this pref to true.
browser. bookmarks. file	String	The full path and filename of your bookmarks file (bookmarks.html). In Windows, the path separator must be two backslashes (e.g. "C:\\Path\\To\\bookmarks.html") if the value is being set in user.js or prefs.js instead of within about:config
browser. bookmarks. import_system_favorites	Boolean	Determine the system bookmark strategy. True: Enable a "live view" of system bookmarks which is read-only False (default): Opposite of above. Note: Setting this to "true" will prevent "Imported IE Favorites" folder from being deleted where applicable (see bug 22642).
browser. bookmarks. livemark_refresh_seconds	Integer	The number of seconds between Live Bookmark checks. Values under 60 are assumed to be 60; the default is 3600 (1 hour).
browser. bookmarks. restore_default_bookmarks	Boolean	True: Overwrite the current bookmarks.html file with the default set of bookmarks. False (default): Do not reset bookmarks. Note: Firefox 1.5 and above only
browser. bookmarks. sort. direction	String	The order in which to sort bookmarks in the Bookmarks Manager descending (default): Unsorted natural: Alphabetically, A-Z ascending: Alphabetically, Z-A Note: In Firefox, this can be changed via "Bookmarks → Organize (or Manage) Bookmarks... → View"
browser. bookmarks. sort. resource	String	The RDF source to use when sorting the bookmarks in the Bookmarks Manager rdf:http://home.netscape.com/NC-rdf#Name (default) - by bookmark name rdf:http://home.netscape.com/NC-rdf#URL - by URL rdf:http://home.netscape.com/NC-rdf#ShortcutURL - by bookmark keyword rdf:http://home.netscape.com/NC-rdf#Description - by description rdf:http://home.netscape.com/NC-rdf#BookmarkAddDate - by bookmark creation date rdf:http://home.netscape.com/WEB-rdf#LastModifiedDate - by bookmark modification date rdf:http://home.netscape.com/WEB-rdf#LastVisitDate - by date of last visit Note: In Firefox, this can be changed via "Bookmarks → Organize (or Manage) Bookmarks... → View"
browser. cache. check_doc_frequency	Integer	How often to check the remote page for a newer version than what might be in the cache 0: Check once per browser session 1: Check every time I view the page 2: Never check (always use cached page) 3 (default): Check when the page is out of date (automatically determined)
browser. cache. disk. capacity	Integer	Amount of disk space allowed for the browser's cache (in KB). Default is 50000. Note: In Firefox, this can be changed via "Tools → Options → Advanced → Network / Cache" (Firefox 2) or "Privacy → Cache (Firefox 1.5 and earlier); in Mozilla Suite/SeaMonkey, via "Edit → Preferences → Advanced → Cache".
browser. cache. disk. enable	Boolean	True (default): Use disk cache, up to capacity specified in browser.cache.disk.capacity False: Disable disk cache (same effect as setting browser.cache.disk.capacity to 0)
browser. cache. disk. parent_directory	String	Full path to the parent directory of the Cache folder used for storing the browser's cache. In Windows, the path separator must be two backslashes (e.g. "C:\\Path\\To\\Parent\\Folder") if the value is being set in the user.js or prefs.js instead of within about:config.
browser. cache. disk_cache_ssl	Boolean	True: Cache content received via SSL (security risk!) False (default): Do not cache content received via SSL Note: See bug 205921 for more information
browser. cache. memory. capacity	Integer	Determines how the browser uses RAM for cache. -1 (default): Automatically set size of capacity as a percentage of physical RAM 0: disables the memory cache device entirely (n): Set the maximum RAM used to n KB.
browser. cache. memory. enable	Boolean	True (default): Use memory cache, up to capacity specified in browser.cache.memory.capacity (if set); otherwise, use a percentage of physical RAM (see bug 105344) False: Disable memory cache (same effect as setting browser.cache.memory.capacity to 0)
browser. chrome. favicons	Boolean	True (default): Load and display "favicons" residing in the current page's site root directory False: Opposite of the above Note: This should be set to the same value as browser.chrome.site_icons for legacy reasons.
browser. chrome. image_icons. max_size	Integer	If an image's height or width is greater than this number (in pixels), the image will not have a thumbnail placed in its tab (or the Location Bar). Setting it to 0 will prevent thumbnails from being used altogether. The default value is 1024 pixels. Note: Firefox 1.5 and above and SeaMonkey only.
browser. chrome. load_toolbar_icons	Integer	0 (default): Never load site icons/favicons when displaying bookmarks in menus (overrides browser.chrome.site_icons) 1: Load site icons/favicons when they've been cached 2: Always load site icons/favicons
browser. chrome. site_icons	Boolean	True (default): Load and display site icons specified by link element(s) in the web page False: Opposite of the above Note: This should be set to the same value as browser.chrome.favicons for legacy reasons.
browser. chrome. toolbar_style	Integer	Set toolbar style for browser 0: Pictures Only 1: Text Only 2 (default): Pictures and Text
browser. chrome. toolbar_tips	Boolean	Determines tooltip behavior for chrome elements. True (default): Show tooltips for toolbars and bookmarks. Display the name and URL for bookmarks False: Hide tooltips for chrome elements
browser. chromeURL	String	Location of browser's UI chrome; launched at browser startup. Default value is chrome://browser/content/
browser. display. background_color	String	The default color for the background of browser content as a hex code. This affects blank tabs, web pages whose backgrounds are not explicity set, and XUL error pages. Default value is #FFFFFF. Note: In Firefox, this can be changed via "Tools → Options → Content / Fonts & Colors → Colors... → Text and Background → Background " (Firefox 1.5 and above) or "Tools → Options → General → Fonts & Colors (Firefox 1.0.x)"
browser. display. focus_background_color	String	The default color for the background of focused elements as a hex code. Default value is #117722. Requires that browser.display.use_focus_colors be true
browser. display. focus_ring_on_anything	Boolean	True: Display the focus ring (normally only shown on links) on anything False (default): Display the focus ring on links only
browser. display. focus_ring_width	Integer	Determines the display of the focus ring around focused elements. 0: Hide focus ring 1 (default): Dots around focused elements will be displayed with a 1 pixel border (n): Display dots with a width of n pixels around focused elements
browser. display. focus_text_color	String	The default color for the text of focused elements as a hex code. Default value is #ffffff. Requires that browser.display.use_focus_colors be true
browser. display. force_inline_alttext	Boolean	True: Force broken images' alt text to be displayed inline False (default): Show an icon if rendering in Quirks Mode and there is no alt text, or if rendering in Quirks Mode and the image has a size specified.
browser. display. foreground_color	String	The default color for the foreground of browser content as a hex code. This affects web pages whose text colors are not explicity set and XUL error pages. Default value is #000000. Note: In Firefox, this can be changed via "Tools → Options → Content / Fonts & Colors → Colors... → Text and Background → Text" (Firefox 1.5 and above) or "Tools → Options → General → Fonts & Colors (Firefox 1.0.x)"
browser. display. normal_lineheight_calc_control	Integer	Determine method of calculating line-height (leading) in layout -1: Uninitialized 0: Don't include external leading 1: Use what the font vendor provides 2 (default): Compensate leading if vendor's leading is insufficient
browser. display. screen_resolution	Integer	Firefox 1.5 only DPI of display device. Affects CSS absolute length units (e.g. pt, mm). -1 (default): Use the operating system's logical resolution or 96 DPI, whichever is greater 0: Force use of operating system's logical resolution (n): Assume screen DPI of n. Default DPI is 96. Note: In Firefox, this can be changed via "Tools → Options → Content → Advanced → Display Resolution". See browser. screen_resolution for Firefox 1.0.x or layout. css. dpi for Firefox 2.0+.
browser. display. show_image_placeholders	Boolean	True (default): Show placeholders while image is loading False: Opposite of above
browser. display. use_document_colors	Boolean	True (default): Allow documents to specify colors to use False: Opposite of above Note: In Firefox, this can be changed via "Tools → Options → Content / Fonts & Colors → Colors → Allow pages to chose their own colors, instead of my selections above" (Firefox 1.5 and above) or "Tools → Options → General → Fonts & Colors → Always use my colors" (Firefox 1.0.x).
browser. display. use_document_fonts	Integer	0: Never use document's fonts 1: Allow documents to specify fonts to use 2: Always use document's fonts (deprecated) Note: In Firefox, this can be changed (between 0 and 1) via "Tools → Options → Content / Fonts & Colors → Advanced → Allow pages to chose their own fonts, instead of my selections above" (Firefox 1.5 and above) or "Tools → Options → General → Fonts & Colors → Always use my fonts" (Firefox 1.0.x)
browser. display. use_focus_colors	Boolean	True: Set colors on focused items according to preferences False (default): Do not set colors on focused items
browser. display. use_system_colors	Boolean	True: Use colors specified by OS to display documents False (default): Opposite of above Note: In Firefox, this can be changed via "Tools → Options → Content / Fonts & Colors → Colors → Use system colors" (Firefox 1.5 and above) or "Tools → Options → General → Fonts & Colors → Use system colors" (Firefox 1.0.x)
browser. dom. document. all. disabled	Boolean	True: Disables emulation of IE's document.all collection False (default): Enable undetectable document.all support in quirks mode (see bug 248549)
browser. dom. global_scope_pollution. disabled	Boolean	True: Disable the more agressive emulation of IE's "IDs directly accessible in the global scope" behavior. False (default): Automatically add IDs to the global (window) scope in quirks mode.
browser. dom. window. dump. enabled	Boolean	True: Enable JavaScript dump() output False: Opposite of the above
browser. download. defaultFolder	String	Holds the path of the default download directory determined from browser.download.folderList. Not set by default; set after the user configures their download options.
browser. download. dir	String	The last directory used for saving a file from the "What should (browser) do with this file?" dialog.
browser. download. downloadDir	String	Determines the directory to download to when browser.download.useDownloadDir is false. Appears to mirror browser.download.dir.
browser. download. folderList	Integer	Which of several internally-specified locations to use for the default download directory 0 (default): the desktop 1: the downloads folder 2: the last folder specified for a download Note: In Firefox, this can be changed via "Tools → Options → Main / Downloads → Save files to... (Firefox 2) or Downloads/Download Folder → Save all files to this folder" (Firefox 1.5).
browser. download. hide_plugins_without_extensions	Boolean	True (default): In the Download Actions dialog, remove entries where no file extensions are associated with a plugin. False: Opposite of the above.
browser. download. lastDir	String	Path to the last directory used for a download via "Save As."
browser. download. manager. alertOnEXEOpen	Boolean	True (default): warn the user attempting to open an executable from the Download Manager False: display no warning and allow executable to be run Note: In Firefox, this can be changed by checking the "Don't ask me this again" box when you encounter the alert.
browser. download. manager. closeWhenDone	Boolean	True: Close the Download Manager when all downloads are complete False (default): Opposite of the above Note: In Firefox, this can be changed via "Tools → Options → Main / Downloads → Close it when all downloads are finished" (Firefox 2) or Downloads / Download Manager → Close the Download Manager when all downloads are complete" (Firefox 1.5).
browser. download. manager. flashCount	Integer	Number of times to flash the Download Manager's taskbar entry when the DM is not in the foreground. Set to 0 to disable flashing. Default value is 2.
browser. download. manager. focusWhenStarting	Boolean	True: Set the Download Manager window as active when starting a download False (default): Leave the window in the background when starting a download
browser. download. manager. openDelay	Integer	If a download takes less than this number of milliseconds to complete, do not open the Download Manager window. Default value is 0 (always show Download Manager window).
browser. download. manager. retention	Integer	When to remove downloaded files' entries from the Download Manager 0: Upon successful download 1: When the browser exits 2 (default): Manually Note: In Firefox, this can be changed via "Tools → Options → Privacy / History → Remember what I've downloaded" (Firefox 2) or "Privacy → Download History → Remove files from the Download Manager" (Firefox 1.5).
browser. download. manager. showAlertInterval	Integer	Number of milliseconds after downloads complete to show the "completed" alert. Default value is 2000.
browser. download. manager. showAlertOnComplete	Boolean	True (default): popup window at bottom right corner of the screen will appear once all downloads are finished. False: the popup window will not appear.
browser. download. manager. showWhenStarting	Boolean	True (default): Show Download Manager window when a download begins False: Opposite of the above Note: In Firefox, this can be changed via "Tools → Options → Main / Downloads → Show the Downloads window when downloading a file" (Firefox 2) or "Tools → Options → Downloads / Download Manager → Show Download Manager when a download begins" (Firefox 1.5)
browser. download. manager. skipWinSecurityPolicyChecks	Boolean	True (default): Check and apply the Windows Internet Options security setting, "Launching applications and unsafe files" (this will prevent executable file downloads if the Windows setting is set to "Disable"). False: Bypass the Windows security check. Note: This was added in bug 445158 for Firefox 3.1 (3.1b2 and above).
browser. download. manager. useWindow	Boolean	True: Use the Download Manager window for downloads False: Opposite of the above Note: In Firefox, this is effectively the same as setting browser.download.manager.showWhenStarting to false; the Download Manager is used for downloads regardless of the setting. Note: This was removed in bug 439495 for Firefox 3.1.
browser. download. save_converter_index	Integer	The format to save web pages in 0: Web Page (Complete) 1: Web Page (HTML Only) 2: Text Note: In Firefox, this setting is remembered from the option you choose in the Save As dialog.
browser. download. show_plugins_in_list	Boolean	True (default): In the Download Actions dialog, display actions and filetypes associated with installed plugins. False: Opposite of the above.
browser. download. useDownloadDir	Boolean	True (default): Without asking a location, download files to the directory specified in browser.download.folderList False: Ask where to save every file Note: In Firefox, this can be changed via "Tools → Options → Main / Downloads → Always ask me where to save files (Firefox 2) or Downloads / Download Folder → Ask me where to save every file" (Firefox 1.5)
browser. enable_automatic_image_resizing	Boolean	True (default): When viewing an image not in a web page, the image will be resized to fit in the browser window if it is too large for the browser window. The image can be shown in its real size by left clicking on it. False: Images are always shown in their real size. Note: In Firefox, this can be changed via "Tools → Options → Advanced → General → Resize large images to fit in the browser window (Firefox 1.0.x and 1.5)". UI removed in Firefox 2.0+.
browser. feedview. articleLength	Integer	Pref removed. Previously: The number of words per feed item to display. Default value is 50. Note: Feedview functionality was present for only a short while prior to Firefox 1.5 Beta.
browser. feedview. reloadInterval	Integer	Pref removed. Previously: Determines how often in seconds to reload the currently rendered feed. Default value is 0 (never reload). Note: Feedview functionality was present for only a short while prior to Firefox 1.5 Beta.
browser. feedview. showBar	Boolean	Pref removed. Previously: True (default): Display the options settings in feed view. False: Opposite of the above Note: Feedview functionality was present for only a short while prior to Firefox 1.5 Beta.
browser. feedview. showImage	Boolean	Pref removed. Previously: True (default): Display images embedded in feed items in-line. False: Opposite of the above. Note: Feedview functionality was present for only a short while prior to Firefox 1.5 Beta.
browser. feedview. showMenu	Boolean	Pref removed. Previously: True (default): Display a menu alongside rendered feeds with relevant functions False: Opposite of the above. Note: Feedview functionality was present for only a short while prior to Firefox 1.5 Beta.
browser. feedview. timerInterval	Integer	Pref removed. Previously: Determines how often to refresh the feed. Default value is 0 (no refresh). Note: Feedview functionality was present for only a short while prior to Firefox 1.5 Beta.
browser. feedview. externalCSS	String	Pref removed. Previously: Path to a custom CSS file to apply to feeds. Default value is an empty string. Note: Feedview functionality was present for only a short while prior to Firefox 1.5 Beta.
browser. fixup. alternate. enabled	Boolean	True (default): Try to fix up http://foo to http://(prefix)foo(suffix) False: Do not second-guess the user
browser. fixup. alternate. prefix	String	The prefix to prepend when attempting to fix an entered URL. Default is "www." (includes full stop). Requires browser.fixup.alternate.enabled be true.
browser. fixup. alternate. suffix	String	The suffix to append when attempting to fix an entered URL. Default is ".com". Requires browser.fixup.alternate.enabled be true.
browser. fixup. hide_user_pass	Boolean	True (default): When attempting to fix an entered URL, do not fix an entered password along with it (i.e. do not turn http://user:password@foo into http://user:password@(prefix)foo(suffix) but instead http://user@(prefix)foo(suffix)) False: Include entered password in fixed URL
browser. formfill. enable	Boolean	True (default): Save information entered in web page forms and the Search Bar False: Opposite of the above Note: In Firefox, this can be changed via "Tools → Options → Privacy / History → Remember what I enter in forms and the search bar" (Firefox 2) or "Tools → Options → Privacy → Saved Forms → Save information I enter in forms and the Search Bar" (Firefox 1.5)
browser. forms. submit. backwards_compatible	Boolean	True (default): Leave off mandatory Content-Transfer-Encoding header when submitting HTML forms False: Send header as the spec requires Note: Sending the header "used to cause Bad Things, including server crashes" according to comments in the Mozilla source (see bug 83065). Eventually this pref may disappear.
browser. frames. enabled	Boolean	True (default): Enables the display of HTML frames False: Opposite of the above; displays </code> content instead </td></tr> <tr> <td> <b><a href="http://kb.mozillazine.org/Browser.fullscreen.animateUp" title="Browser.fullscreen.animateUp"> browser. fullscreen. animateUp</a></b> </td><td> Integer </td><td> Controls toolbar and tab strip animation while in Full Screen. <br /><b>0</b>: No toolbar and tab strip animation <br /><b>1</b> (default): Animates only first collapse. <br /><b>2</b>: Animates each collapse. </td></tr> <tr> <td> <b><a href="http://kb.mozillazine.org/Browser.fullscreen.autohide" title="Browser.fullscreen.autohide"> browser. fullscreen. autohide</a></b> </td><td> Boolean </td><td> Hides toolbar and tab strip when entering Full Screen. <br /><b>True</b> (default): Shows toolbar and tab strip. <br /><b>False</b>: Hides toolbar and tab strip </td></tr> <tr> <td> <b>browser. goBrowsing. enabled</b> </td><td> Boolean </td><td> <b>True</b> (default): If a normal DNS lookup times out, try hitting Google <br /><b>False</b>: Opposite of the above <br />Note: No longer used </td></tr> <tr> <td> <b>browser. helperApps. alwaysAsk. force</b> </td><td> Boolean </td><td> <b>True</b>: Always ask what to do with an unknown MIME type, and disable option to remember what to open it with <br /><b>False</b> (default): Opposite of above </td></tr> <tr> <td> <b>browser. helperApps. deleteTempFileOnExit</b> </td><td> Boolean </td><td> <b>True</b>: Delete temporary files on exit. See <a href="https://bugzilla.mozilla.org/show_bug.cgi?id=238789#c19" class="external text" title="https://bugzilla.mozilla.org/show_bug.cgi?id=238789#c19" rel="nofollow">comment 19 on bug 238789</a> (especially Mac) <br /><b>False</b> (same as default unset): Opposite of above (keep the files) </td></tr> <tr> <td> <b>browser. helperApps. neverAsk. openFile</b> </td><td> String </td><td> A comma-separated list of MIME types to open directly without asking for confirmation. Default value is an empty string. </td></tr> <tr> <td> <b>browser. helperApps. neverAsk. saveToDisk</b> </td><td> String </td><td> A comma-separated list of MIME types to save to disk without asking what to use to open the file. Default value is an empty string. </td></tr> <tr> <td> <b>browser. hiddenWindowChromeURL</b> </td><td> String </td><td> The chrome:// URL for the hidden window. Used in Mac OS X for when the browser is running but has no windows open. Default value is <b>chrome://browser/content/hiddenWindow.xul</b> </td></tr> <tr> <td> <b>browser. history. grouping</b> </td><td> String </td><td> How to group entries in the history window (not applicable for Firefox's History sidebar). Default value is <b>day</b>. </td></tr> <tr> <td> <b><a href="http://kb.mozillazine.org/Browser.history_expire_days" title="Browser.history expire days">browser. history_expire_days</a></b> </td><td> Integer </td><td> Number of maximum days to remember visited pages in history. Default value is <b>9</b> for SeaMonkey and Firefox 2, <b>180</b> for Firefox 3. <br />Note: In Firefox 2, this can be changed via "<a href="http://kb.mozillazine.org/Menu_differences_in_Windows%2C_Linux%2C_and_Mac" title="Menu differences in Windows, Linux, and Mac">Tools &#8594; Options</a> &#8594; Privacy &#8594; History &#8594; Remember visited pages for the last ___ days". No UI for Firefox 3. </td></tr> <tr> <td> <b><a href="http://kb.mozillazine.org/Browser.history_expire_days_min" title="Browser.history expire days min">browser. history_expire_days_min</a></b> </td><td> Integer </td><td> Number of minimum days to remember visited pages in history. Default value is <b>90</b>. <br />Note: In Firefox 3, this can be changed via &#8220;Keep my history for at least ___ days&#8221; under &#8220;<a href="http://kb.mozillazine.org/Menu_differences_in_Windows%2C_Linux%2C_and_Mac" title="Menu differences in Windows, Linux, and Mac">Tools &#8594; Options</a> &#8594; Privacy &#8594; History&#8221; </td></tr> <tr> <td> <b><a href="http://kb.mozillazine.org/Browser.history_expire_sites" title="Browser.history expire sites">browser. history_expire_sites</a></b> </td><td> Integer </td><td> Maximum number of websites to keep in history. Default value is <b>40000</b>. </td></tr> <tr> <td> <b>browser. jsannoyances. disabled</b> </td><td> Boolean </td><td> The collective state of several other preferences; namely, <b>dom.event.contextmenu.enabled</b>, <b>dom.disable_window_move_resize</b>, <b>dom.disable_window_flip</b>, <b>dom.disable_window_open_feature.status</b>, and <b>dom.disable_window_status_change</b>. Used by the preferences dialog for tracking; changing the value of this preference manually does not change the tracked preferences. <br /><b>True</b>: Consider all of the above preferences to be true (except <b>dom.event.contextmenu.enabled</b>, which is considered to be false) <br /><b>False</b> (default): Opposite of the above <br />Note: Firefox 1.5 and above only. </td></tr> <tr> <td> <b><a href="http://kb.mozillazine.org/Browser.link.open_external" title="Browser.link.open external">browser. link. open_external</a></b> </td><td> Integer </td><td> Where to open links sent to the browser from an external application <br /><b>2</b> (default in SeaMonkey): Opens external links in a new window <br /><b>3</b> (default in Firefox): Opens external links in a new tab in the most recent window <br /><b>1</b> (or anything else): Opens external links in current window <br />Note: In Firefox 1.5, this can be changed via "<a href="http://kb.mozillazine.org/Menu_differences_in_Windows%2C_Linux%2C_and_Mac" title="Menu differences in Windows, Linux, and Mac">Tools &#8594; Options</a> &#8594; Tabs &#8594; Open links from other applications in:"; in Firefox 2, via &#8220;Tools &#8594; Options &#8594; Tabs &#8594; New pages should be opened in:&#8221; (same as <b>browser.link. open_newwindow</b>) and in Seamonkey, via "<a href="http://kb.mozillazine.org/Menu_differences_in_Windows%2C_Linux%2C_and_Mac" title="Menu differences in Windows, Linux, and Mac">Edit -> Preferences</a> -> Navigator -> Tabbed browsing / Links from other applications -> Open links passed from another applications in". </td></tr> <tr> <td> <b>browser. link. open_newwindow</b> </td><td> Integer </td><td> Where to open links that would normally open in a new window <br /><b>2</b> (default in SeaMonkey and Firefox 1.5): In a new window <br /><b>3</b> (default in Firefox 2 and above): In a new tab <br /><b>1</b> (or anything else): In the current tab or window <br />Note: In Firefox 1.5, this can be changed via "<a href="http://kb.mozillazine.org/Menu_differences_in_Windows%2C_Linux%2C_and_Mac" title="Menu differences in Windows, Linux, and Mac">Tools &#8594; Options</a> &#8594; Tabs &#8594; Force links that open new windows to open in:"; in Firefox 2, via &#8220;Tools &#8594; Options &#8594; Tabs &#8594; New pages should be opened in:&#8221; (same as <a href="http://kb.mozillazine.org/Browser.link.open_external" title="Browser.link.open external">browser.link.open_external</a>) and, in Seamonkey, via "<a href="http://kb.mozillazine.org/Menu_differences_in_Windows%2C_Linux%2C_and_Mac" title="Menu differences in Windows, Linux, and Mac">Edit -> Preferences</a> -> Navigator -> Tabbed browsing / Link open behavior -> Open links meant to open a new window in". </td></tr> <tr> <td> <b><a href="http://kb.mozillazine.org/Browser.link.open_newwindow.restriction" title="Browser.link.open newwindow.restriction">browser. link. open_newwindow. restriction</a></b> </td><td> Integer </td><td> Firefox and SeaMonkey only. Source: <a href="http://www.squarefree.com/burningedge/archives/000590.html" class="external text" title="http://www.squarefree.com/burningedge/archives/000590.html" rel="nofollow">The Burning Edge</a>. <br /><b>0</b> (Default in Firefox 1.0.x and SeaMonkey): Force all new windows opened by JavaScript into tabs. <br /><b>1</b>: Let all windows opened by JavaScript open in new windows. (Default behavior in IE.) <br /><b>2</b> (Default in Firefox 1.5 and above): Catch new windows opened by JavaScript that do not have specific values set (how large the window should be, whether it should have a status bar, etc.) This is useful because some popups are legitimate &#8212; it really is useful to be able to see both the popup and the original window at the same time. However, most advertising popups also open in new windows with values set, so beware. </td></tr> <tr> <td> <b>browser. link. open_newwindow. ui</b> </td><td> Integer </td><td> Determine which new window open options are available from the UI. No longer used in Firefox 1.0. Default value is <b>3</b>. </td></tr> <tr> <td> <b><a href="http://kb.mozillazine.org/Browser.microsummary.enabled" title="Browser.microsummary.enabled">browser. microsummary. enabled</a></b> </td><td> Boolean </td><td> <b>True</b> (default): Allow the <a href="http://wiki.mozilla.org/Microsummaries" class="external text" title="http://wiki.mozilla.org/Microsummaries" rel="nofollow">microsummary service</a> to retrieve information for bookmarks with microsummaries. <br /><b>False</b>: Prevent microsummary updates to bookmarks. </td></tr> <tr> <td> <b><a href="http://kb.mozillazine.org/Browser.microsummary.generatorUpdateInterval" title="Browser.microsummary.generatorUpdateInterval">browser. microsummary. generatorUpdateInterval</a></b> </td><td> Integer </td><td> Determines how often to check for updates to microsummary generators when generator updates are enabled. A non-negative integer, in seconds, determining the amount of time between microsummary generator update checks. If unspecified, updates occur weekly (7 * 86400 seconds apart). </td></tr> <tr> <td> <b><a href="http://kb.mozillazine.org/Browser.microsummary.requestTimeout" title="Browser.microsummary.requestTimeout">browser. microsummary. requestTimeout</a></b> </td><td> Integer </td><td> Determines how long to wait for a response until the connection is cancelled. A positive integer determining the number of seconds to wait until cancelling microsummary loads that take too long. Default value is 300. </td></tr> <tr> <td> <b><a href="http://kb.mozillazine.org/Browser.microsummary.updateGenerators" title="Browser.microsummary.updateGenerators">browser. microsummary. updateGenerators</a></b> </td><td> Boolean </td><td> <b>True</b> (default): Periodically check for updates to microsummary generators. <br /><b>False</b>: Do not update microsummary generators. </td></tr> <tr> <td> <b><a href="http://kb.mozillazine.org/Browser.microsummary.updateInterval" title="Browser.microsummary.updateInterval">browser. microsummary. updateInterval</a></b> </td><td> Integer </td><td> Determines how often microsummaries&#8217; target pages are re-fetched for new information. Number of minutes between microsummary updates for microsummaries that do not specify an update interval. Default is 30. </td></tr> <tr> <td> <b>browser. offline</b> </td><td> Boolean </td><td> Status of the "Work Offline" option <br /><b>True</b>: Attempt to retrieve pages from cache. Do not make external connections to retrieve resources. <br /><b>False</b> (default): Assume a connection is present and retrieve resources where necessary. <br />Note: In Firefox, this can be changed via "File &#8594; Work Offline" </td></tr> <tr> <td> <b><a href="http://kb.mozillazine.org/Browser.places.createdDefaultQueries" title="Browser.places.createdDefaultQueries">browser. places. createdDefaultQueries</a></b> </td><td> Boolean </td><td> <b>True</b>: A "Most Viewed" folder in the Bookmarks Toolbar Folder has been created already; do not create a new one. <br /><b>False</b> (default): Create a "Most Viewed" folder in the Bookmarks Toolbar Folder, then toggle this preference to True. </td></tr> <tr> <td> <b>browser. popups. showPopupBlocker</b> </td><td> Boolean </td><td> <b>True</b> (default): Show an icon in the status bar when a popup has been blocked. <br /><b>False</b>: Do not show an icon in the status bar when a popup has been blocked. </td></tr> <tr> <td> <b>browser. preferences. advanced. selectedTabIndex</b> </td><td> Integer </td><td> Determines which tab in the Advanced section of the preferences is visible. <br /><b>0</b> (default): General <br /><b>1</b>: Update <br /><b>2</b>: Security </td></tr> <tr> <td> <b>browser. preferences. animateFadeIn</b> </td><td> Boolean </td><td> <b>True</b> (default in Mac OS X): When switching prefs panels, change the height of the window and fade the new panel in over about a second. <br /><b>False</b> (default everywhere else): Do not animate switching pref panels <br />Note: Firefox 1.5 and above only. </td></tr> <tr> <td> <b>browser. preferences. instantApply</b> </td><td> Boolean </td><td> <b>True</b> (default in all platforms but Windows): Changes to preferences are active immediately. The preferences window is not modal. Instead of "OK" and "Cancel" buttons, there is only a "Close" button. <br /><b>False</b>: Changes to preferences occur after clicking "OK" button. The preference window is modal. <br /> <br />Applies to: <ul><li> Firefox 1.5 and above </li><li> SeaMonkey 2 dated 20071028 and later, for preferences migrated to "new toolkit". </li></ul> </td></tr> <tr> <td> <b>browser. preferences. lastpanel</b> </td><td> Integer </td><td> Which part of the preferences window was displayed the last time it was closed. In Firefox: <br /><b>0</b>: General <br /><b>1</b>: Privacy <br /><b>2</b>: Web Features <br /><b>3</b>: Downloads <br /><b>4</b>: Advanced <br />Note: In Firefox, this is determined by the section of "<a href="http://kb.mozillazine.org/Menu_differences_in_Windows%2C_Linux%2C_and_Mac" title="Menu differences in Windows, Linux, and Mac">Tools &#8594; Options</a>" you are viewing when you close the dialog. </td></tr> <tr> <td> <b>browser. preferences. privacy. selectedTabIndex</b> </td><td> Integer </td><td> Determines which tab in the Privacy section of the preferences is visible. <br /><b>0</b> (default): History <br /><b>1</b>: Saved Forms <br /><b>2</b>: Passwords <br /><b>3</b>: Download History <br /><b>4</b>: Cookies <br /><b>5</b>: Cache </td></tr> <tr> <td> <b>browser. related. autoload</b> </td><td> Integer </td><td> Automatically load "What's Related" for a given URL <br /><b>0</b>: Always <br /><b>1</b> (default): After first use (default) <br /><b>2</b>: Never <br />Note: This is not used in Firefox (there is no "What's Related"). </td></tr> <tr> <td> <b>browser. related. disabledForDomains</b> </td><td> String </td><td> A comma-separated list of domains for which "What's Related" is disabled. Default value is an empty string. <br />Note: This is not used in Firefox (there is no "What's Related"). </td></tr> <tr> <td> <b><a href="http://kb.mozillazine.org/Browser.related.enabled" title="Browser.related.enabled">browser. related. enabled</a></b> </td><td> Boolean </td><td> Setting for "What's Related" <br /><b>True</b> (default): Enable <br /><b>False</b>: Disable <br />Note: This is not used in Firefox (there is no "What's Related"). </td></tr> <tr> <td> <b>browser. related. provider</b> </td><td> String </td><td> The URL to retrieve "What's Related" data from. Default value is <b><a href="http://www-rl.netscape.com/wtgn" class="external free" title="http://www-rl.netscape.com/wtgn" rel="nofollow">http://www-rl.netscape.com/wtgn</a>?</b> <br />Note: This is not used in Firefox (there is no "What's Related"). </td></tr> <tr> <td> <b><a href="http://kb.mozillazine.org/Browser.safebrowsing.dataProvider" title="Browser.safebrowsing.dataProvider">browser. safebrowsing. dataProvider</a></b> </td><td> Integer </td><td> The provider ID of the site used to get the web forgery list. Default value is <b>0</b>. <br />Note: This references the pref tree <a href="http://kb.mozillazine.org/Browser.safebrowsing.provider.%2A" title="Browser.safebrowsing.provider.*">browser.safebrowsing.provider.*</a> </td></tr> <tr> <td> <b><a href="http://kb.mozillazine.org/Browser.safebrowsing.enabled" title="Browser.safebrowsing.enabled">browser. safebrowsing. enabled</a></b> </td><td> Boolean </td><td> Whether to determine if a site is a web forgery or not. <br /><b>True</b> (default): Check visited sites <br /><b>False</b>: Do not check any sites <br />Note: This can be changed in Firefox via "<a href="http://kb.mozillazine.org/Menu_differences_in_Windows%2C_Linux%2C_and_Mac" title="Menu differences in Windows, Linux, and Mac">Tools &#8594; Options</a> &#8594; Security / Tell me if the site I'm visiting is a suspected forgery". </td></tr> <tr> <td> <b><a href="http://kb.mozillazine.org/Browser.safebrowsing.provider.%2A" title="Browser.safebrowsing.provider.*">browser. safebrowsing. provider. *</a></b> </td><td> Tree </td><td> Tree containing provider information used in the safe browsing process. <br />Note: There is currently only one default provider (Google); however, more may be added. </td></tr> <tr> <td> <b><a href="http://kb.mozillazine.org/Browser.safebrowsing.remoteLookups" title="Browser.safebrowsing.remoteLookups">browser. safebrowsing. remoteLookups</a></b> </td><td> Boolean </td><td> Method to determine if a site is a web forgery. <br /><b>True</b>: Ask provider by sending a request <br /><b>False</b> (default): Use internal list <br />Note: This can be changed in Firefox via "<a href="http://kb.mozillazine.org/Menu_differences_in_Windows%2C_Linux%2C_and_Mac" title="Menu differences in Windows, Linux, and Mac">Tools &#8594; Options</a> &#8594; Security" radio buttons: <br />* "Check using a downloaded list of suspected sites" (False) <br />* "Check by asking ____ about each site I visit" (True). <br />Note: When an internal list is used, it is updated about once an hour from the provider. </td></tr> <tr> <td> <b><a href="http://kb.mozillazine.org/Browser.safebrowsing.warning.infoURL" title="Browser.safebrowsing.warning.infoURL">browser. safebrowsing. warning.infoURL</a></b> </td><td> String </td><td> The FAQ URL for the Safe Browsing feature. </td></tr> <tr> <td> <b><a href="http://kb.mozillazine.org/Browser.screen_resolution" title="Browser.screen resolution">browser. screen_resolution</a></b> </td><td> Integer </td><td> <b>Firefox 1.0.x only</b> DPI of display device. Affects <a href="http://kb.mozillazine.org/CSS" title="CSS">CSS</a> absolute length units (e.g. pt, mm). <br /><b>-1</b> (default): Use the operating system's logical resolution or 96 DPI, whichever is greater <br /><b>0</b>: Force use of operating system's logical resolution <br /><b>(n)</b>: Assume screen DPI of <b>n</b>. Default DPI is <b>96</b>. <br />Note: In Firefox 1.0.x, this can be changed via "<a href="http://kb.mozillazine.org/Menu_differences_in_Windows%2C_Linux%2C_and_Mac" title="Menu differences in Windows, Linux, and Mac">Tools &#8594; Options</a> &#8594; General &#8594; Fonts &amp; Colors &#8594; Display Resolution". See <a href="http://kb.mozillazine.org/Browser.display.screen_resolution" title="Browser.display.screen resolution">browser. display. screen_resolution</a> for Firefox 1.5.0.x or <a href="http://kb.mozillazine.org/Layout.css.dpi" title="Layout.css.dpi">layout. css. dpi</a> for Firefox 2.0+. </td></tr> <tr> <td> <b>browser. search. basic. min_ver</b> </td><td> String </td><td> Version number used to determine which <a href="http://kb.mozillazine.org/Search_Bar" title="Search Bar"> search engine plugins</a> should be installed/displayed. Default value is <b>0.0</b>. </td></tr> <tr> <td> <b>browser. search. defaultenginename</b> </td><td> String </td><td> Default <a href="http://kb.mozillazine.org/Search_Bar" title="Search Bar"> search engine plugin</a> to use. Default value is <b>Google</b>. </td></tr> <tr> <td> <b>browser. search. defaulturl</b> </td><td> String </td><td> URL to prepend to search terms. Default value is <b><a href="//www.google.com/search?lr&amp;ie=UTF-8&amp;oe=UTF-8&amp;q" class="external free" title="http://www.google.com/search?lr=&amp;ie=UTF-8&amp;oe=UTF-8&amp;q=" rel="nofollow">http://www.google.com/search?lr=&amp;ie=UTF-8&amp;oe=UTF-8&amp;q=</a></b> </td></tr> <tr> <td> <b><a href="http://kb.mozillazine.org/Browser.search.log" title="Browser.search.log">browser. search. log</a></b> </td><td> Boolean </td><td> <b>True</b>: Log debugging information about the search service to the <a href="http://developer.mozilla.org/en/docs/JavaScript_Console" class="external text" title="http://developer.mozilla.org/en/docs/JavaScript_Console" rel="nofollow">JavaScript Console</a> and <tt>stdout</tt>. <br /><b>False</b> (deault): Do not log debugging information. <br />Note: Firefox 2.0 and above only. </td></tr> <tr> <td> <b>browser. search. openintab</b> </td><td> Boolean </td><td> <b>True</b>: When performing a search from the Search Bar, open the results in a new tab. <br /><b>False</b> (default): Open search results in the current tab/window. <br />Note: Firefox nightly trunk builds only. </td></tr> <tr> <td> <b>browser. search. order. (digit)</b> </td><td> String </td><td> (digit) is used to weight the search engine specified by the value for sorting in the list of search engines. </td></tr> <tr> <td> <b>browser. search. order. (name) (. digit)</b> </td><td> String </td><td> Used for weighting search engine entry sorting. Points to <code>.properties</code> file. </td></tr> <tr> <td> <b>browser. search. param. (name). (digit). ("custom" or "default")</b> </td><td> String </td><td> Used for adding arbitrary variables to the search query of the <b>(name)</b> search plugin. </td></tr> <tr> <td> <b>browser. search. selectedEngine</b> </td><td> String </td><td> Name of currently selected search engine plugin </td></tr> <tr> <td> <b>browser. search. selectedEngineInDialog</b> </td><td> String </td><td> Name of currently selected search engine plugin in the search dialog (used when the <a href="http://kb.mozillazine.org/Search_Bar" title="Search Bar">Search Bar</a> is hidden) <br />Note: Firefox 1.5 and above only. </td></tr> <tr> <td> <b>browser. search. update</b> </td><td> Boolean </td><td> <b>True</b> (default): Automatically check for updates to <a href="http://kb.mozillazine.org/Search_Bar" title="Search Bar"> search plugins</a>. <br /><b>False</b>: Opposite of the above. <br />Note: Firefox 1.5 and above only. </td></tr> <tr> <td> <b>browser. sessionhistory. cache_subframes</b> </td><td> Boolean </td><td> <b>True</b>: Cache the content viewer (when <b>browser.sessionhistory.max_total_viewers</b> is greater than 0) for subframes <br /><b>False</b> (default): Opposite of the above <br />Note: Firefox 1.5 and above only. </td></tr> <tr> <td> <b>browser. sessionhistory. max_entries</b> </td><td> Integer </td><td> The maximum number of pages in the browser's session history, i.e. the maximum number of URLs you can traverse purely through the Back/Forward buttons. Default value is <b>50</b>. </td></tr> <tr> <td> <b><a href="http://kb.mozillazine.org/Browser.sessionhistory.max_total_viewers" title="Browser.sessionhistory.max total viewers"> browser. sessionhistory. max_total_viewers</a></b> </td><td> Integer </td><td> Determines the maximum number of content viewers to cache for "bfcache" (fast back/forward navigation). Default value is <b>-1</b> (calculate based on available memory). All values less than 0 are equivalent. <br />Note: Firefox 1.5 and above only. Supersedes <b>browser.sessionhistory.max_viewers</b>. </td></tr> <tr> <td> <b>browser. sessionhistory. max_viewers</b> </td><td> Integer </td><td> The number of content viewers to cache for "bfcache" (fast back/forward navigation). Default value is <b>3</b>. <br />Note: Deer Park/Firefox 1.5b1 only. Functionality has been replaced by <b>browser.sessionhistory.max_total_viewers</b>. </td></tr> <tr> <td> <b>browser. shell. checkDefaultBrowser</b> </td><td> Boolean </td><td> Check the system <a href="http://kb.mozillazine.org/Default_browser" title="Default browser">default browser</a> on startup. <br /><b>True</b> (default): Check to see if the browser is set as default; if not, ask if the user wants it set that way <br /><b>False</b>: Do not perform the check <br />Note: In Firefox, this can be changed via "<a href="http://kb.mozillazine.org/Menu_differences_in_Windows%2C_Linux%2C_and_Mac" title="Menu differences in Windows, Linux, and Mac">Tools &#8594; Options</a> &#8594; Main / System Defaults" (Firefox 2.0 and above) or "Tools &#8594; Options &#8594; General &#8594; Default Browser" (Firefox 1.5 and 1.0.x). </td></tr> <tr> <td> <b>browser. startup. homepage</b> </td><td> String </td><td> URL of homepage, or pipe (<code>|</code>)-separated list of URLs to open in tabs when going to the homepage <br />Note: In Firefox, this can be changed via "<a href="http://kb.mozillazine.org/Menu_differences_in_Windows%2C_Linux%2C_and_Mac" title="Menu differences in Windows, Linux, and Mac">Tools &#8594; Options</a> &#8594; Main (Firefox 1.5 and 1.0.x: General) &#8594; Homepage" </td></tr> <tr> <td> <b>browser. startup. homepage_override. 1</b> </td><td> Boolean </td><td> Stub for browser.startup.homepage_override (used in Netscape 4.x). No longer used. Default value is <b>false</b>. </td></tr> <tr> <td> <b>browser. startup. homepage_override. mstone</b> </td><td> String </td><td> The last browser version (milestone) this profile was loaded with. If it differs from the current version, pref is changed to current version. </td></tr> <tr> <td> <b>browser. startup. homepage_reset</b> </td><td> String </td><td> If, during installation, the user requested that their homepage be reset, get the new homepage value from this location. Default value is <b>resource:/browserconfig.properties</b> </td></tr> <tr> <td> <b>browser. startup. page</b> </td><td> Integer </td><td> Page to open on browser startup <br /><b>0</b>: Blank <br /><b>1</b> (default): Home (a.k.a. <b>browser.startup.homepage</b>) <br /><b>2</b>: Last (probably does not work) </td></tr> <tr> <td> <b>browser. tabs. autoHide</b> </td><td> Boolean </td><td> Behavior for the tab bar when only one tab exists <br /><b>True</b> (default): Hide the tab bar <br /><b>False</b>: Always show the tab bar <br />Note: In Firefox, this can be changed via "<a href="http://kb.mozillazine.org/Menu_differences_in_Windows%2C_Linux%2C_and_Mac" title="Menu differences in Windows, Linux, and Mac">Tools &#8594; Options</a> &#8594; Tabs &#8594; Always show the tab bar" (Firefox 2) "<a href="http://kb.mozillazine.org/Menu_differences_in_Windows%2C_Linux%2C_and_Mac" title="Menu differences in Windows, Linux, and Mac">Tools &#8594; Options</a> &#8594; Tabs &#8594; Hide the tab bar when only one web site is open (<i>Firefox 1.5</i>) or "<a href="http://kb.mozillazine.org/Menu_differences_in_Windows%2C_Linux%2C_and_Mac" title="Menu differences in Windows, Linux, and Mac">Tools &#8594; Options</a> &#8594; Advanced &#8594; Tabbed Browsing &#8594; Hide the tab bar when only one web site is open" (<i>Firefox 1.0.x</i>) </td></tr> <tr> <td> <b><a href="http://kb.mozillazine.org/Browser.tabs.closeButtons" title="Browser.tabs.closeButtons">Browser. tabs.closeButtons</a></b> </td><td>Integer </td><td>(Firefox 2.0) This preference controls how close buttons can be displayed on tabs. <br /><b>0:</b> Display a close button on the active tab only <br /><b>1:</b> (default) Display a close button on each tab <br /><b>2:</b> Don't display any close buttons <br /><b>3:</b> Display a single close button at the end of the tab bar (Firefox 1.x behavior) </td></tr> <tr> <td> <b>browser. tabs. forceHide</b> </td><td> Boolean </td><td> Display of the tab bar <br /><b>True</b>: Hide the tab bar <br /><b>False</b>: Show tab bar normally <br />Note: This is not used to enable/disable the tab bar. It's used internally to decide whether or not to show the tabbed bar. </td></tr> <tr> <td> <b>browser. tabs. loadBookmarksInBackground</b> </td><td> Boolean </td><td> <b>True</b>: When you open a bookmark in a new tab then that tab will load in the background without taking focus from the current tab. <br /><b>False</b> (default): When you open a bookmark in a new tab then that tab will become the current tab. <br />Note: In Firefox, this can be changed via "<a href="http://kb.mozillazine.org/Menu_differences_in_Windows%2C_Linux%2C_and_Mac" title="Menu differences in Windows, Linux, and Mac">Tools &#8594; Options</a> &#8594; Advanced &#8594; Tabbed Browsing &#8594; Select New Tabs from Bookmarks or History" (<i>Firefox 1.0.x</i>) </td></tr> <tr> <td> <b>browser. tabs. loadDivertedInBackground</b> </td><td> Boolean </td><td> Determines behavior of pages normally meant to open in a new window (<code>target="_new"</code> or from an external program), but that have instead been loaded in a new tab. <br /><b>True</b>: Load the new tab in the background, leaving focus on the current tab <br /><b>False</b> (default): Load the new tab in the foreground, taking the focus from the current tab. <br />Note: Setting this preference to <b>True</b> will still bring the browser to the front when opening links from outside the browser. </td></tr> <tr> <td> <b><a href="http://kb.mozillazine.org/Browser.tabs.loadFolderAndReplace" title="Browser.tabs.loadFolderAndReplace">browser. tabs. loadFolderAndReplace</a></b> </td><td> Boolean </td><td> <b>True</b> (default): When opening a folder of bookmarks in tabs, the existing tabs will be replaced by the new bookmark pages. <br /><b>False</b>: Existing tabs will be preserved when loading a folder of bookmarks. The bookmark pages will be loaded in tabs that are appended to the current tabs. <br />Note: This option was removed in Firefox 3 alpha 8. </td></tr> <tr> <td> <b><a href="http://kb.mozillazine.org/Browser.tabs.loadGroup" title="Browser.tabs.loadGroup">browser. tabs. loadGroup</a></b> </td><td> Integer </td><td> <b>0</b>: Append group to current tab set <br /><b>1</b> (default): Replace current tab set with group <br />Note: Mozilla Suite/SeaMonkey only. </td></tr> <tr> <td> <b>browser. tabs. loadInBackground</b> </td><td> Boolean </td><td> Focus behavior for new tabs <br /><b>True</b> (default): Do not focus new tabs opened from links (load in background) <br /><b>False</b>: Opposite of above <br />Note: In Firefox, this can be changed via "<a href="http://kb.mozillazine.org/Menu_differences_in_Windows%2C_Linux%2C_and_Mac" title="Menu differences in Windows, Linux, and Mac">Tools &#8594; Options</a> &#8594; Tabs &#8594; When I open a link in a new tab, switch to it immediately" (<i>Firefox 2</i>) or "<a href="http://kb.mozillazine.org/Menu_differences_in_Windows%2C_Linux%2C_and_Mac" title="Menu differences in Windows, Linux, and Mac">Tools &#8594; Options</a> &#8594; Tabs &#8594; Select new tabs opened from links" (<i>Firefox 1.5</i>) or "<a href="http://kb.mozillazine.org/Menu_differences_in_Windows%2C_Linux%2C_and_Mac" title="Menu differences in Windows, Linux, and Mac">Tools &#8594; Options</a> &#8594; Advanced &#8594; Tabbed Browsing &#8594; Select new tabs opened from links" (<i>Firefox 1.0.x</i>) </td></tr> <tr> <td> <b>browser. tabs. loadOnNewTab</b> </td><td> Integer </td><td> Determines what will be displayed in a new tab <br /><b>-1</b>: Browser startup page <br /><b>0</b> (default): Blank page <br /><b>1</b>: Homepage <br /><b>2</b>: Last visited page <br />Note: Does not work in Firefox (see <a href="https://bugzilla.mozilla.org/show_bug.cgi?id=269664" class="external text" title="https://bugzilla.mozilla.org/show_bug.cgi?id=269664" rel="nofollow">bug 269664</a>). </td></tr> <tr> <td> <b>browser. tabs. opentabfor. bookmarks</b> </td><td> Boolean </td><td> Controls if a clicked bookmark will open in a new tab when middleclicked. <br />Note: <a href="https://bugzilla.mozilla.org/show_bug.cgi?id=230304" class="external text" title="https://bugzilla.mozilla.org/show_bug.cgi?id=230304" rel="nofollow">Pref removed (obsolete)</a>. <a href="https://bugzilla.mozilla.org/show_bug.cgi?id=268039" class="external text" title="https://bugzilla.mozilla.org/show_bug.cgi?id=268039" rel="nofollow">Functionality proposed as enhancement request</a>. </td></tr> <tr> <td> <b>browser. tabs. opentabfor. middleclick</b> </td><td> Boolean </td><td> Determines the behavior of a link when middle-clicked. <br /><b>True</b> (default): Opens link in new tab <br /><b>False</b>: Opens link in new window </td></tr> <tr> <td> <b>browser. tabs. opentabfor. searchdialog</b> </td><td> Boolean </td><td> Determines whether to create a new tab for the search results from queries entered in the search dialog (used when the <a href="http://kb.mozillazine.org/Search_Bar" title="Search Bar">Search Bar</a> is hidden) <br />Note: Firefox 1.5 and above only. </td></tr> <tr> <td> <b>browser. tabs. opentabfor. urlbar</b> </td><td> Boolean </td><td> <a href="https://bugzilla.mozilla.org/show_bug.cgi?id=308862" class="external text" title="https://bugzilla.mozilla.org/show_bug.cgi?id=308862" rel="nofollow">Pref removed (unused)</a>. Previously: <br />Determines the behavior of pressing Enter in the address bar or clicking the Go button. <br /><b>True</b> (default): Open URL in new tab <br /><b>False</b>: Open URL in current tab <br />Note: <a href="https://bugzilla.mozilla.org/show_bug.cgi?id=268039" class="external text" title="https://bugzilla.mozilla.org/show_bug.cgi?id=268039" rel="nofollow">Functionality proposed as enhancement request</a>. </td></tr> <tr> <td> <b>browser. tabs. opentabfor. windowopen</b> </td><td> Boolean </td><td> <a href="https://bugzilla.mozilla.org/show_bug.cgi?id=230304" class="external text" title="https://bugzilla.mozilla.org/show_bug.cgi?id=230304" rel="nofollow">Pref removed (obsolete)</a>. </td></tr> <tr> <td> <b>browser. tabs. showSingleWindowModePrefs</b> </td><td> Boolean </td><td> Determines whether to display "Single Window Mode" settings in preferences in Firefox 1.0.x (see <a href="https://bugzilla.mozilla.org/show_bug.cgi?id=266759" class="external text" title="https://bugzilla.mozilla.org/show_bug.cgi?id=266759" rel="nofollow">bug 266759</a>). Note: <a href="https://bugzilla.mozilla.org/show_bug.cgi?id=292196" class="external text" title="https://bugzilla.mozilla.org/show_bug.cgi?id=292196" rel="nofollow">Preference is obsolete</a> and <a href="https://bugzilla.mozilla.org/show_bug.cgi?id=362573" class="external text" title="https://bugzilla.mozilla.org/show_bug.cgi?id=362573" rel="nofollow">has no effect in Firefox 1.5 and above</a> <br /><b>True</b>: Show "Force links that open in new windows to open in..." options under "<a href="http://kb.mozillazine.org/Menu_differences_in_Windows%2C_Linux%2C_and_Mac" title="Menu differences in Windows, Linux, and Mac">Tools &#8594; Options</a> &#8594; Advanced &#8594; Tabbed Browsing" (<i>Firefox 1.0.x</i>) <br /><b>False</b> (default): Opposite of above </td></tr> <tr> <td> <b>browser. tabs. warnOnClose</b> </td><td> Boolean </td><td> <b>True</b> (default): The browser will prompt for confirmation when closing the browser when more than one tab is open. <br /><b>False</b>: No warnings will be given when closing the browser with more than one tab. <br />Note: In Firefox, this can be changed via "<a href="http://kb.mozillazine.org/Menu_differences_in_Windows%2C_Linux%2C_and_Mac" title="Menu differences in Windows, Linux, and Mac">Tools &#8594; Options</a> &#8594; Tabs &#8594; Warn (me) when closing multiple tabs" (<i>Firefox 1.5 and above</i>) or "<a href="http://kb.mozillazine.org/Menu_differences_in_Windows%2C_Linux%2C_and_Mac" title="Menu differences in Windows, Linux, and Mac">Tools &#8594; Options</a> &#8594; Advanced &#8594; Tabbed Browsing &#8594; Warn when closing multiple tabs" (<i>Firefox 1.0.x</i>) </td></tr> <tr> <td> <b>browser. tabs. warnOnCloseOther</b> </td><td> Boolean </td><td> <b>True</b> (default): The browser will prompt for confirmation when closing all other tabs from the tab context menu ("Close Other Tabs") <br /><b>False</b>: Opposite of the above </td></tr> <tr> <td> <b>browser. throbber. url</b> </td><td> String </td><td> Indicates what URL to load when the throbber is clicked. Default value is <b><a href="http://www.mozilla.org/products/firefox/central.html" class="external free" title="http://www.mozilla.org/products/firefox/central.html" rel="nofollow">http://www.mozilla.org/products/firefox/central.html</a></b> </td></tr> <tr> <td> <b><a href="http://kb.mozillazine.org/Browser.trim_user_and_password" title="Browser.trim user and password">browser. trim_user_and_password</a></b> </td><td> Boolean </td><td> Unused </td></tr> <tr> <td> <b><a href="http://kb.mozillazine.org/Browser.triple_click_selects_paragraph" title="Browser.triple click selects paragraph">browser. triple_click_selects_paragraph</a></b> </td><td> Boolean </td><td> <b>True</b> (default): Select the entire paragraph under the mouse cursor when triple-clicking. <br /><b>False</b>: Select the line under the mouse cursor when triple-clicking <br />Note: This feature is currently only stable on trunk (1.9). </td></tr> <tr> <td> <b>browser. turbo. enabled</b> </td><td> Boolean </td><td> <a href="https://bugzilla.mozilla.org/show_bug.cgi?id=259828" class="external text" title="https://bugzilla.mozilla.org/show_bug.cgi?id=259828" rel="nofollow">Pref removed (obsolete)</a>. Previously: <br />Determined whether to load browser in "Turbo Mode" (aka "quick launch") (Windows/Mozilla Suite only) <br /><b>True</b>: Load some Mozilla code into memory on Windows boot <br /><b>False</b> (default): Load browser normally on program execution </td></tr> <tr> <td> <b><a href="http://kb.mozillazine.org/Browser.underline_anchors" title="Browser.underline anchors"> browser. underline_anchors</a></b> </td><td> Boolean </td><td> Determines default text-decoration of anchor elements. <br /><b>True</b> (default): Underlines links <br /><b>False</b>: Opposite of above <br />Note: In Firefox, this can be changed via "<a href="http://kb.mozillazine.org/Menu_differences_in_Windows%2C_Linux%2C_and_Mac" title="Menu differences in Windows, Linux, and Mac">Tools &#8594; Options</a> &#8594; Content &#8594; Fonts &amp; Colors &#8594; Underline links" </td></tr> <tr> <td> <b>browser. update. resetHomepage</b> </td><td> Boolean </td><td> Determine whether to reset homepage during browser installation <br /><b>True</b>: Reset homepage in browser.startup.homepage to value in <b>browser.startup.homepage_reset</b> <br /><b>False</b> (default): Do not reset homepage </td></tr> <tr> <td> <b>browser. urlbar. autoFill</b> </td><td> Boolean </td><td> <b>True</b>: Enables <a href="http://kb.mozillazine.org/Inline_autocomplete" title="Inline autocomplete"> inline autocomplete</a>. <br /><b>False</b> (default): Opposite of above. </td></tr> <tr> <td> <b>browser. urlbar. clickSelectsAll</b> </td><td> Boolean </td><td> <b>True</b> (default in non-Unix builds): Select the contents of the address bar when it is clicked <br /><b>False</b> (default everywhere else): Opposite of above </td></tr> <tr> <td> <b>browser. urlbar. doubleClickSelectsAll</b> </td><td> Boolean </td><td> <b>True</b>: Select the contents of the address bar when it is double clicked <br /><b>False</b>(default): Opposite of above </td></tr> <tr> <td> <b><a href="http://kb.mozillazine.org/Browser.urlbar.filter.javascript" title="Browser.urlbar.filter.javascript">browser. urlbar. filter. javascript</a></b> </td><td> Boolean </td><td> <b>True</b> (default): Filter out &#8220;javascript:&#8221; URLs from appearing in the Location Bar autocomplete dropdown. <br /><b>False</b>: Allow &#8220;javascript:&#8221; URLs to appear in the dropdown. </td></tr> <tr> <td> <b><a href="http://kb.mozillazine.org/Browser.urlbar.matchBehavior" title="Browser.urlbar.matchBehavior">browser. urlbar. matchBehavior</a></b> </td><td> Integer </td><td> Determines how to use word boundaries when searching for items in the <a href="http://kb.mozillazine.org/Category:Location_Bar" title="Category:Location Bar">Location Bar</a>. <br /><b>0</b> Search anywhere within available text, irrespective of word boundaries. <br /><b>1</b> (default): Use word boundaries first when searching, then try matching anywhere <br /><b>2</b>: Use only word boundaries when searching for typed text <br /><b>3</b>: Match only the beginning of page URLs and titles </td></tr> <tr> <td> <b>browser. urlbar. matchOnlyTyped</b> </td><td> Boolean </td><td> Determines behavior of autocomplete in <a href="http://kb.mozillazine.org/Category:Location_Bar" title="Category:Location Bar">Location Bar</a> <br /><b>True</b>: Only matches typing against URLs specifically typed into Location Bar <br /><b>False</b> (default): Match against history </td></tr> <tr> <td> <b><a href="http://kb.mozillazine.org/Browser.urlbar.matchOnWordBoundary" title="Browser.urlbar.matchOnWordBoundary">browser. urlbar. matchOnWordBoundary</a></b> </td><td> Boolean </td><td> Determines behavior of autocomplete in <a href="http://kb.mozillazine.org/Category:Location_Bar" title="Category:Location Bar">Location Bar</a> <br /><b>True</b> (default): Use word boundaries when searching for typed text in the Location Bar autocomplete. <br /><b>False</b>: Search anywhere within available text, irrespective of word boundaries. <br />Obsoleted by <a href="http://kb.mozillazine.org/Browser.urlbar.matchBehavior" title="Browser.urlbar.matchBehavior">browser. urlbar. matchBehavior</a>. </td></tr> <tr> <td> <b><a href="http://kb.mozillazine.org/Browser.urlbar.maxRichResults" title="Browser.urlbar.maxRichResults"> browser. urlbar. maxRichResults</a></b> </td><td> Integer </td><td> Determines how many entries should appear (at most) in the dropdown in <a href="http://kb.mozillazine.org/Category:Location_Bar" title="Category:Location Bar">Location Bar</a>. </td></tr> <tr> <td> <b><a href="http://kb.mozillazine.org/Browser.visited_color" title="Browser.visited color"> browser. visited_color</a></b> </td><td> String </td><td> The default color for visited links as a hex code. Default is <b><code>#551A8B</code></b> <br />Note: In Firefox, this can be changed via "<a href="http://kb.mozillazine.org/Menu_differences_in_Windows%2C_Linux%2C_and_Mac" title="Menu differences in Windows, Linux, and Mac">Tools &#8594; Options</a> &#8594; Content &#8594; Fonts &amp; Colors &#8594; Visited Links" </td></tr> <tr> <td> <b><a href="http://kb.mozillazine.org/Browser.windows.loadOnNewWindow" title="Browser.windows.loadOnNewWindow">browser. windows. loadOnNewWindow</a></b> </td><td> Integer </td><td> Set what should be displayed in a newly created window <br /><b>-1</b>: Browser Startup Page <br /><b>0</b>: Blank Page <br /><b>1</b> (default): Your Homepage <br /><b>2</b>: Last Visited </td></tr> <tr> <td> <b><a href="http://kb.mozillazine.org/Browser.xul.error_pages.enabled" title="Browser.xul.error pages.enabled"> browser. xul. error_pages. enabled</a></b> </td><td>Boolean </td><td> <b>True</b> (default in Firefox 1.5 and above and SeaMonkey): The browser will use error pages. <br /><b>False</b> (default in Firefox 1.0.x and below): The browser will use error alert boxes. </td></tr> <tr> <td> <b><a href="http://kb.mozillazine.org/Browser.zoom.full" title="Browser.zoom.full">browser. zoom. full</a></b> </td><td> Boolean </td><td> <b>True</b> (Default): Full page zoom <br /><b>False</b>: Text zoom </td></tr> <tr> <td> <b><a href="http://kb.mozillazine.org/Browser.zoom.siteSpecific" title="Browser.zoom.siteSpecific">browser. zoom. siteSpecific</a></b> </td><td> Boolean </td><td> <b>True</b> (Default): Remember the zoom level on a per-site basis. <br /><b>False</b>: The zoom level should be applied on the current tab only. </td></tr></tbody></table> <div class="editsection" style="float: right; margin-left: 5px;">[<a href="http://kb.mozillazine.org/index.php?title=About:config_entries&amp;action=edit&amp;section=7" title="Edit section: Config.*">edit</a>]</div><a name="Config..2A"></a><h1>Config.*</h1> <table style="border: 1px solid rgb(170, 170, 170); margin: 1em 1em 1em 0pt; background: rgb(252, 252, 252) none repeat scroll 0% 0%; -moz-background-clip: -moz-initial; -moz-background-origin: -moz-initial; -moz-background-inline-policy: -moz-initial; border-collapse: collapse;" border="2" cellpadding="4" cellspacing="0"> <tbody><tr> <th> Name </th><th> Type </th><th> Meaning of Values </th></tr> <tr> <td> <b><a href="http://kb.mozillazine.org/Config.trim_on_minimize" title="Config.trim on minimize"> config. trim_on_minimize</a></b> </td><td> Boolean </td><td> Windows-only. Determines how Windows handles memory for the browser when minimizing. Setting to <b>False</b> will often prevent delays when restoring the window (see <a href="https://bugzilla.mozilla.org/show_bug.cgi?id=76831" class="external text" title="https://bugzilla.mozilla.org/show_bug.cgi?id=76831" rel="nofollow">bug 76831</a>). <br /><b>True</b>: Allow Windows to trim the working set when the browser is minimized <br /><b>False</b> (default): Prevent Windows from trimming the working set </td></tr> <tr> <td> <b>config. use_system_prefs</b> </td><td> Boolean </td><td> <b>True</b>: Use preferences set by operating system (e.g. proxies, accessibility) <br /><b>False</b> (default): Opposite of the above <br />Note: Seems to be unused in Firefox 1.0 </td></tr> <tr> <td> <b>config. use_system_prefs. accessibility</b> </td><td> Boolean </td><td> <b>True</b>: The system is configured with accessibility features; use them <br /><b>False</b> (default): Opposite of the above <br />Note: Seems to be unused in Firefox 1.0 </td></tr></tbody></table> <div class="editsection" style="float: right; margin-left: 5px;">[<a href="http://kb.mozillazine.org/index.php?title=About:config_entries&amp;action=edit&amp;section=8" title="Edit section: Content.*">edit</a>]</div><a name="Content..2A"></a><h1>Content.*</h1> <p>content.* allows you to configure the frequency of certain events when parsing and rendering web pages. </p><p>content.* has been migrated to <a href="http://kb.mozillazine.org/Category:Preferences" title="Category:Preferences">Category:Preferences</a>. </p> <div class="editsection" style="float: right; margin-left: 5px;">[<a href="http://kb.mozillazine.org/index.php?title=About:config_entries&amp;action=edit&amp;section=9" title="Edit section: DOM.*">edit</a>]</div><a name="DOM..2A"></a><h1>DOM.*</h1> <table style="border: 1px solid rgb(170, 170, 170); margin: 1em 1em 1em 0pt; background: rgb(252, 252, 252) none repeat scroll 0% 0%; -moz-background-clip: -moz-initial; -moz-background-origin: -moz-initial; -moz-background-inline-policy: -moz-initial; border-collapse: collapse;" border="2" cellpadding="4" cellspacing="0"> <tbody><tr> <th> Name </th><th> Type </th><th> Meaning of Values </th></tr> <tr> <td> <b>dom. allow_scripts_to_close_windows</b> </td><td> Boolean </td><td> Determines which <code>close()</code> operations are legal. <br /><b>True</b>: Any script may close any window <br /><b>False</b> (default): Only windows opened via script may be closed via <code>close()</code>. </td></tr> <tr> <td> <b>dom. disable_image_src_set</b> </td><td> Boolean </td><td> Determines whether scripts may change the <code>.src</code> member of image objects (effectively, whether images can be changed via <a href="http://kb.mozillazine.org/JavaScript" title="JavaScript">JavaScript</a>) <br /><b>True</b>: Scripts may not modify <code>.src</code> of images <br /><b>False</b> (default): Opposite of above <br />Note: In Mozilla Suite, this can be changed via "Edit &#8594; Preferences &#8594; Advanced &#8594; Scripts &amp; Plug-ins &#8594; Allow scripts to: Change images" and, in Firefox 1.0.x, via "<a href="http://kb.mozillazine.org/Menu_differences_in_Windows%2C_Linux%2C_and_Mac" title="Menu differences in Windows, Linux, and Mac">Tools &#8594; Options</a> &#8594; Web Features &#8594; Enable JavaScript / Advanced &#8594; Allow scripts to: Change images". This option has been removed from the UI in Firefox 1.5 <a href="https://bugzilla.mozilla.org/show_bug.cgi?id=239438" class="external autonumber" title="https://bugzilla.mozilla.org/show_bug.cgi?id=239438" rel="nofollow">[1]</a> </td></tr> <tr> <td> <b>dom. disable_open_click_delay</b> </td><td> Integer </td><td> If a popup will be created as the result of a <code>setTimeout()</code> or <code>setInterval()</code> <a href="http://kb.mozillazine.org/JavaScript" title="JavaScript">JavaScript</a> call and the delay specified is smaller than this value (in milliseconds), handle the popup according to the current popup blocker settings. Default value is <b>1000</b>. </td></tr> <tr> <td> <b>dom. disable_open_during_load</b> </td><td> Boolean </td><td> Determines popup blocker behavior <br /><b>True</b> (default in Firefox): Block popup windows created while the page is loading <br /><b>False</b> (default in Mozilla Suite): Allow popup windows <br />Note: In Firefox, this can be changed via "<a href="http://kb.mozillazine.org/Menu_differences_in_Windows%2C_Linux%2C_and_Mac" title="Menu differences in Windows, Linux, and Mac">Tools &#8594; Options</a> &#8594; Content (Web Features in Firefox 1.0.x) &#8594; Block Popup Windows" and, in Mozilla Suite, via "Edit &#8594; Preferences &#8594; Privacy &amp; Security &#8594; Popup Windows &#8594; Block unrequested popup windows. </td></tr> <tr> <td> <b>dom. disable_window_flip</b> </td><td> Boolean </td><td> Determines whether windows can be <code>focus()</code>ed via non-chrome <a href="http://kb.mozillazine.org/JavaScript" title="JavaScript">JavaScript</a>. <br /><b>True</b> (default in Mozilla Suite): Windows may not be set as active via JavaScript <br /><b>False</b> (default in Firefox): Opposite of the above <br />Note: In Firefox, this can be changed via "<a href="http://kb.mozillazine.org/Menu_differences_in_Windows%2C_Linux%2C_and_Mac" title="Menu differences in Windows, Linux, and Mac">Tools &#8594; Options</a> &#8594; Content (Web Features in Firefox 1.0.x) &#8594; Enable JavaScript / Advanced &#8594; Allow scripts to: Raise or lower windows" and, in Mozilla Suite, via "Edit &#8594; Preferences &#8594; Advanced &#8594; Scripts &amp; Plug-ins &#8594; Allow scripts to: Raise or lower windows". </td></tr> <tr> <td> <b>dom. disable_window_move_resize</b> </td><td> Boolean </td><td> Determines whether windows can be moved or resized via non-chrome <a href="http://kb.mozillazine.org/JavaScript" title="JavaScript">JavaScript</a>. <br /><b>True</b> (default in Mozilla Suite): Windows may not be moved or resized via JavaScript <br /><b>False</b> (default in Firefox): Opposite of the above <br />Note: In Firefox, this can be changed via "<a href="http://kb.mozillazine.org/Menu_differences_in_Windows%2C_Linux%2C_and_Mac" title="Menu differences in Windows, Linux, and Mac">Tools &#8594; Options</a> &#8594; Content (Web Features in Firefox 1.0.x) &#8594; Enable JavaScript / Advanced &#8594; Allow scripts to: Move or resize existing windows" and, in Mozilla Suite, via "Edit &#8594; Preferences &#8594; Advanced &#8594; Scripts &amp; Plug-ins &#8594; Allow scripts to: Move or resize existing windows". </td></tr> <tr> <td> <b>dom. disable_window_open_feature. *</b> </td><td> Boolean </td><td> Webpage authors can disable many features of a popup window that they open. Setting these preferences to <b>true</b> will override the author's settings and ensure that that feature is enabled and present in any popup window. <br /><b>close</b>: Prevents the close button from being disabled. <br /><b>directories</b>: Prevents the bookmarks toolbar from being hidden. <br /><b><a href="http://kb.mozillazine.org/Dom.disable_window_open_feature.location" title="Dom.disable window open feature.location">location</a></b>: Prevents the address bar from being hidden <br /><b>menubar</b>: Prevents the menubar from being hidden. <br /><b>minimizable</b>: Prevents popup window minimization from being disabled. <br /><b>personalbar</b>: Prevents the bookmarks toolbar from being hidden. <br /><b>resizable</b>: Prevents popup window resizing from being disabled. <br /><b>scrollbars</b>: Prevents the scrollbars on a popup from being disabled. <br /><b><a href="http://kb.mozillazine.org/Dom.disable_window_open_feature.status" title="Dom.disable window open feature.status">status</a></b>: Prevents the status bar from being hidden. <br /><b>titlebar</b>: Prevents the title bar from being hidden. <br /><b>toolbar</b>: Prevents the navigation toolbar from being hidden. </td></tr> <tr> <td> <b>dom. disable_window_status_change</b> </td><td> Boolean </td><td> Determines whether the text in the browser status bar may be set by non-chrome <a href="http://kb.mozillazine.org/JavaScript" title="JavaScript">JavaScript</a>. <br /><b>True</b> (default in Firefox): JavaScript access to <code>window.status</code> is disabled <br /><b>False</b> (default in Mozilla Suite): Opposite of the above <br />Note: In Firefox, this can be changed via "<a href="http://kb.mozillazine.org/Menu_differences_in_Windows%2C_Linux%2C_and_Mac" title="Menu differences in Windows, Linux, and Mac">Tools &#8594; Options</a> &#8594; Content (Web Features in Firefox 1.0.x) &#8594; Enable JavaScript / Advanced &#8594; Allow scripts to: Change status bar text" and, in Mozilla Suite, via "Edit &#8594; Preferences &#8594; Advanced &#8594; Scripts &amp; Plug-ins &#8594; Allow scripts to: Change status bar text". </td></tr> <tr> <td> <b>dom. event. contextmenu. enabled</b> </td><td> Boolean </td><td> Determines whether the <code>oncontextmenu</code> event can be caught by non-chrome <a href="http://kb.mozillazine.org/JavaScript" title="JavaScript">JavaScript</a> (e.g., in an anti-right-click script). <br /><b>True</b> (default): the opposite of below. <br /><b>False</b>: Webpages will not be able to affect the context menu event, thus allowing to access the context menu all the time. <br />Note: In Firefox, this can be changed via "<a href="http://kb.mozillazine.org/Menu_differences_in_Windows%2C_Linux%2C_and_Mac" title="Menu differences in Windows, Linux, and Mac">Tools &#8594; Options</a> &#8594; Content (Web Features in Firefox 1.0.x) &#8594; Advanced &#8594; Allow scripts to: Disable or replace context menus" and, in Mozilla Suite, via "Edit &#8594; Preferences &#8594; Advanced &#8594; Scripts &amp; Plug-ins &#8594; Allow scripts to: Disable or replace context menus". </td></tr> <tr> <td> <b><a href="http://kb.mozillazine.org/Dom.max_script_run_time" title="Dom.max script run time">dom. max_script_run_time</a></b> </td><td> Integer </td><td> Determines the maximum amount of time in seconds a script can run. Default value is <b>10</b>. Negative values are ignored and default is used instead. <br />Note: Requires a browser restart. </td></tr> <tr> <td> <b><a href="http://kb.mozillazine.org/Dom.popup_allowed_events" title="Dom.popup allowed events"> dom. popup_allowed_events</a></b> </td><td> String </td><td> A space-separated list of the events that are allowed to create popups. Default value is "<b><code>change click dblclick mouseup reset submit</code></b>". A presumably complete list of events from <a href="http://lxr.mozilla.org/mozilla/source/content/events/src/nsDOMEvent.cpp" class="external text" title="http://lxr.mozilla.org/mozilla/source/content/events/src/nsDOMEvent.cpp" rel="nofollow">mozilla/content/events/src/nsDOMEvent.cpp</a>: <br /><b>Form events</b>: <br /><dl><dd><b>select</b>: <br /><b>change</b>: <br /><b>input</b>: <br /><b>submit</b>: <br /><b>reset</b>: <br /></dd></dl> <p><b>Other events</b>: <br /></p> <dl><dd><b>keydown</b>: <br /><b>keypress</b>: <br /><b>keyup</b>: <br /><b>mousedown</b>: <br /><b>mouseup</b>: <br /><b>click</b>: <br /><b>dblclick</b>: <br /><b>error</b>: <br /></dd></dl> </td></tr> <tr> <td> <b><a href="http://kb.mozillazine.org/Dom.popup_maximum" title="Dom.popup maximum"> dom. popup_maximum</a></b> </td><td> Integer </td><td> The maximum number of simultaneously open popup windows. Default value is <b>20</b>. </td></tr></tbody></table> <div class="editsection" style="float: right; margin-left: 5px;">[<a href="http://kb.mozillazine.org/index.php?title=About:config_entries&amp;action=edit&amp;section=10" title="Edit section: Editor.*">edit</a>]</div><a name="Editor..2A"></a><h1>Editor.*</h1> <p>These settings affect libeditor (i.e. Composer and Mail). Most have no effect in Firefox. </p> <table style="border: 1px solid rgb(170, 170, 170); margin: 1em 1em 1em 0pt; background: rgb(252, 252, 252) none repeat scroll 0% 0%; -moz-background-clip: -moz-initial; -moz-background-origin: -moz-initial; -moz-background-inline-policy: -moz-initial; border-collapse: collapse;" border="2" cellpadding="4" cellspacing="0"> <tbody><tr> <th> Name </th><th> Type </th><th> Meaning of Values </th></tr> <tr> <td> <b>editor. background_color</b> </td><td> Boolean </td><td> Determines background color for Thunderbird editor; other forks' behaviour unknown. <br /><b>#000000</b>: Use black instead of white in editor. Works well in conjunction with .text_color, but if HTML mail is sent, it's odd to some folks.; an invert_display option would be more practical, but doesn't exist (yet).* preferences for content <br /><b>#FFFFFF</b> (default) </td></tr> <tr> <td> <b>editor. css. default_length_unit</b> </td><td> String </td><td> Determines the default units for <a href="http://kb.mozillazine.org/CSS" title="CSS">CSS</a> rules. <br /><b>cm</b>: centimeters <br /><b>em</b>: ems (width of the capital letter "M" in typography, but line height in CSS) <br /><b>ex</b>: ex (height of the lower-case "x") <br /><b>in</b>: inches <br /><b>mm</b>: milimeters <br /><b>%</b>: percentage of parent element <br /><b>pc</b>: picas (1/6th of an inch) <br /><b>px</b> (default): pixels <br /><b>pt</b>: points (1/72nd of an inch) </td></tr> <tr> <td> <b>editor. htmlWrapColumn</b> </td><td> Integer </td><td> The column at which HTML source wraps. Default value is <b>72</b>. </td></tr> <tr> <td> <b>editor. positioning. offset</b> </td><td> Integer </td><td> The default offset, both X and Y, of absolutely positioned elements. Default value is <b>0</b>. </td></tr> <tr> <td> <b>editor. quotesPreformatted</b> </td><td> Boolean </td><td> Originally meant to be a <a href="https://bugzilla.mozilla.org/show_bug.cgi?id=69638#c37" class="external text" title="https://bugzilla.mozilla.org/show_bug.cgi?id=69638#c37" rel="nofollow">temporary preference</a> to control the behavior of plaintext quotations inserted into email. <br /><b>True</b>: Wrap quoted email text in a <code>pre</code> element <br /><b>False</b> (default): Wrap quoted email text in a <code>span</code> element </td></tr> <tr> <td> <b>editor. resizing. preserve_ratio</b> </td><td> Boolean </td><td> Determines the behavior of resizing images in Composer. <br /><b>True</b> (default): Preserve ratio of image while resizing <br /><b>False</b>: Allow free resizing of height and width </td></tr> <tr> <td> <b><a href="http://kb.mozillazine.org/Editor.singleLine.pasteNewlines" title="Editor.singleLine.pasteNewlines">editor. singleLine. pasteNewlines</a></b> </td><td> Integer </td><td> Determines the behavior when pasting content containing newlines into single-line text boxes. <br /><b>0</b> (default in Linux): Paste content intact (include newlines) <br /><b>1</b> (default everywhere else): Paste the content only up to (but not including) the first newline <br /><b>2</b>: Replace each newline with a space <br /><b>3</b>: Remove all newlines from content <br /><b>4</b>: Substitute commas for newlines in text box <br /><b>5</b>: Remove all newlines and surrounding whitespace </td></tr> <tr> <td> <b>editor. use_css</b> </td><td> Boolean </td><td> Determines the preferred method of formatting content. <br /><b>True</b> (default): Use CSS styling where appropriate <br /><b>False</b>: Use non-CSS methods of styling content </td></tr> <tr> <td> <b>editor. use_custom_colors</b> </td><td> Boolean </td><td> Determines whether to use user-specified colors for content. No effect in Thunderbird. <br /><b>True</b>: Use colors specified in editor.* preferences for content <br /><b>False</b> (default): Use the default colors </td></tr></tbody></table> <div class="editsection" style="float: right; margin-left: 5px;">[<a href="http://kb.mozillazine.org/index.php?title=About:config_entries&amp;action=edit&amp;section=11" title="Edit section: Extensions.*">edit</a>]</div><a name="Extensions..2A"></a><h1>Extensions.*</h1> <p>This branch of preferences is usually used to hold settings for installed extensions, but there are a few that deal with extensions and themes in general. </p> <table style="border: 1px solid rgb(170, 170, 170); margin: 1em 1em 1em 0pt; background: rgb(252, 252, 252) none repeat scroll 0% 0%; -moz-background-clip: -moz-initial; -moz-background-origin: -moz-initial; -moz-background-inline-policy: -moz-initial; border-collapse: collapse;" border="2" cellpadding="4" cellspacing="0"> <tbody><tr> <th> Name </th><th> Type </th><th> Meaning of Values </th></tr> <tr> <td> <b>extensions. {GUID}. description</b> </td><td> String </td><td> Specify a custom description for the extension whose GUID is specified (see <a href="http://kb.mozillazine.org/Localize_extension_descriptions" title="Localize extension descriptions">Localize extension descriptions</a> for application). </td></tr> <tr> <td> <b><a href="http://kb.mozillazine.org/Extensions.checkCompatibility" title="Extensions.checkCompatibility">extensions. checkCompatibility</a></b> </td><td> Boolean </td><td> <b>True</b> (default): Check extension for browser compatibility on upgrade/install. <br /><b>False</b>: Disable extension compatibility checking. <br /> Available in Firefox 2.0. Note: Use with caution (see <a href="https://bugzilla.mozilla.org/show_bug.cgi?id=330895" class="external text" title="https://bugzilla.mozilla.org/show_bug.cgi?id=330895" rel="nofollow">bug 330895</a>). </td></tr> <tr> <td> <b><a href="http://kb.mozillazine.org/Extensions.checkUpdateSecurity" title="Extensions.checkUpdateSecurity">extensions.checkUpdateSecurity</a></b> </td><td> Boolean </td><td> <b>True</b> (default): Checks that extensions provide secure updates. <br /><b>False</b>: Disable secure updates checking. <br /> Available in Firefox 3.0. Note: Use with caution (see <a href="https://bugzilla.mozilla.org/show_bug.cgi?id=378216" class="external text" title="https://bugzilla.mozilla.org/show_bug.cgi?id=378216" rel="nofollow">bug 378216</a>). </td></tr> <tr> <td> <b>extensions. disabledObsolete</b> </td><td> Boolean </td><td> Indicates whether obsolete extensions have been disabled as a result of a change in the browser version. </td></tr> <tr> <td> <b>extensions. dss. enabled</b> </td><td> Boolean </td><td> <b>True</b>: Enable dynamic skin (theme) switching. <br /><b>False</b> (default): Require a browser restart when switching themes. <br />Note: Switching themes dynamically is buggy (see <a href="https://bugzilla.mozilla.org/show_bug.cgi?id=226791" class="external text" title="https://bugzilla.mozilla.org/show_bug.cgi?id=226791" rel="nofollow">bug 226791</a>). </td></tr> <tr> <td> <b>extensions. dss. switchPending</b> </td><td> Boolean </td><td> <b>True</b>: Non-dynamic theme switch pending a browser restart <br /><b>False</b> (default): Opposite of the above </td></tr> <tr> <td> <b>extensions. getMoreExtensionsURL</b> </td><td> String </td><td> Determines the URL used for the "Get More Extensions" link in "Tools &#8594; Add-ons &#8594; Extensions" dialog. </td></tr> <tr> <td> <b>extensions. getMoreThemesURL</b> </td><td> String </td><td> Determines the URL used for the "Get More Themes" link in "Tools &#8594; Add-ons &#8594; Themes" dialog. </td></tr> <tr> <td> <b>extensions. ignoreMTimeChanges</b> </td><td> Boolean </td><td> <b>True</b>: Prevent extensions system from using last-modified file metadata when determining whether an extension is new (and should therefore be registered) <br /><b>False</b> (default): Opposite of the above <br />Note: Nightlies only. </td></tr> <tr> <td> <b>extensions. lastAppVersion</b> </td><td> String </td><td> The last version of the browser to successfully load extensions. Used to determine whether or not to disable extensions due to possible incompatibilities. </td></tr> <tr> <td> <b>extensions. logging. enabled</b> </td><td> Boolean </td><td> <b>True</b>: Enables some extra extension system logging (can reduce performance) <br /><b>False</b> (default): Opposite of the above <br />Note: Nightlies only </td></tr> <tr> <td> <b>extensions. reporter. hidePrivacyStatement</b> </td><td> Boolean </td><td> <b>True</b>: The user has viewed and agreed to the privacy statement for the Report Broken Website tool, so don't show it again. <br /><b>False</b>: Display the privacy statement when opening the Report Broken Website tool. </td></tr> <tr> <td> <b>extensions. update. autoUpdate</b> </td><td> Boolean </td><td> <b>True</b>: Automatically download and install available updates <br /><b>False</b> (default): Opposite of the above <br />Note: Not implemented </td></tr> <tr> <td> <b>extensions. update. autoUpdateEnabled</b> </td><td> Boolean </td><td> <b>True</b> (default): Allow automatic checking for updates at the specified interval <br /><b>False</b>: Opposite of the above </td></tr> <tr> <td> <b>extensions. update. count</b> </td><td> Integer </td><td> The number of extension/theme/etc. updates available. Default value is <b>0</b>. </td></tr> <tr> <td> <b>extensions. update. enabled</b> </td><td> Boolean </td><td> <b>True</b> (default): Allow checking for updates <br /><b>False</b>: Opposite of the above <br />Can be overridden on a per-extension basis by setting <strong>extensions.{GUID}.update.enabled</strong>. </td></tr> <tr> <td> <b>extensions. update. interval</b> </td><td> Integer </td><td> Determines how often to check the update URL for updates. Can be overridden on a per-extension basis by setting <strong>extensions.{GUID}.update.interval</strong>. <br />In Firefox 1.0.x and below, default value is <b>604800000</b> (milliseconds in 1 week). <br />In Firefox 1.5 and above, default value is <b>86400</b> (seconds in 1 day). </td></tr> <tr> <td> <b>extensions. update. lastUpdateDate</b> </td><td> Integer </td><td> When the last extension update occurred, in UNIX epoch format (seconds since 1970-01-01). Default value is <b>0</b>. </td></tr> <tr> <td> <b>extensions. update. notifyUser</b> </td><td> Boolean </td><td> A flag for whether to show the software update dialog for extensions on startup. The application sets this pref to true after it checks for extension updates in the background and finds one or more updates available. On the next startup, the dialog is shown and the pref is immediately set to false. You would not normally change this pref manually, unless debugging startup and updates. Setting it to true will cause the dialog to open on next startup, but the dialog will close immediately if there is no update pending. Unset by default (until first background check). Introduced by the patch for <a href="https://bugzilla.mozilla.org/show_bug.cgi?id=307358" class="external text" title="https://bugzilla.mozilla.org/show_bug.cgi?id=307358" rel="nofollow">bug 307358</a>. <br />Firefox / Thunderbird 2.x and later. </td></tr> <tr> <td> <b>extensions. update. severity. threshold</b> </td><td> Integer </td><td> The number of pending Extension/Theme updates you can have before the update notifier goes from low to medium severity. Default value is <b>5</b>. </td></tr> <tr> <td> <b>extensions. update. url</b> </td><td> String </td><td> Determines the URL queried when polling for extension updates. Can be overridden on a per-extension basis by setting <strong>extensions.{GUID}.update.url</strong>. Default value is pulled from chrome://mozapps/locale/update/update.properties. </td></tr></tbody></table> <div class="editsection" style="float: right; margin-left: 5px;">[<a href="http://kb.mozillazine.org/index.php?title=About:config_entries&amp;action=edit&amp;section=12" title="Edit section: Font.*">edit</a>]</div><a name="Font..2A"></a><h1>Font.*</h1> <p>The majority of the font.* entries are of the form: </p><p><b>font.(font property).(font type).(<a href="http://www.loc.gov/standards/iso639-2/langcodes.html" class="external text" title="http://www.loc.gov/standards/iso639-2/langcodes.html" rel="nofollow">language code</a>)</b> </p><p>The (font property) indicates that the value of the entry is one of the following: </p> <dl><dt> name-list </dt><dd> A comma-and-space-delimited list of font names corresponding to the (font type) and (language code) (String) </dd><dt> name </dt><dd> A font name (String) </dd><dt> size </dt><dd> The font size, in pixels (Integer) </dd></dl> <p>The (font type) indicates which <a href="http://kb.mozillazine.org/CSS" title="CSS">CSS</a> <code><a href="http://www.w3.org/TR/CSS21/fonts.html#value-def-generic-family" class="external text" title="http://www.w3.org/TR/CSS21/fonts.html#value-def-generic-family" rel="nofollow">generic-family</a></code> is being referenced in the value, <i>or</i> simply whether the font is fixed-width or variable-width. The (font type) is one of the following: </p> <dl><dt> serif </dt><dd> (e.g. Times) </dd><dt> sans-serif </dt><dd> (e.g. Helvetica) </dd><dt> cursive </dt><dd> (e.g. Zapf-Chancery) </dd><dt> fantasy </dt><dd> (e.g. Western) </dd><dt> monospace </dt><dd> (e.g. Courier) </dd><dt> fixed </dt><dd> Any fixed-width font </dd><dt> variable </dt><dd> Any variable-width font </dd></dl> <p>The (language code) is an <a href="http://www.loc.gov/standards/iso639-2/langcodes.html" class="external text" title="http://www.loc.gov/standards/iso639-2/langcodes.html" rel="nofollow">ISO 639-2 value</a>. </p><p>Other font.* entries are listed below. </p> <table style="border: 1px solid rgb(170, 170, 170); margin: 1em 1em 1em 0pt; background: rgb(252, 252, 252) none repeat scroll 0% 0%; -moz-background-clip: -moz-initial; -moz-background-origin: -moz-initial; -moz-background-inline-policy: -moz-initial; border-collapse: collapse;" border="2" cellpadding="4" cellspacing="0"> <tbody><tr> <th> Name </th><th> Type </th><th> Meaning of Values </th></tr> <tr> <td> <b>font. default (. <a href="http://www.loc.gov/standards/iso639-2/langcodes.html" class="external text" title="http://www.loc.gov/standards/iso639-2/langcodes.html" rel="nofollow">language code</a>)</b> </td><td> String </td><td> The default <code><a href="http://www.w3.org/TR/CSS21/fonts.html#value-def-generic-family" class="external text" title="http://www.w3.org/TR/CSS21/fonts.html#value-def-generic-family" rel="nofollow">generic-family</a></code> to use. If a language code is specified, the preference only applies to that language. <br /><b>serif</b> (default): Serif <br /><b>sans-serif</b>: Sans-serif </td></tr> <tr> <td> <b>font. language. group</b> </td><td> String </td><td> The user's language group. Pulled from the localized data at chrome://global/locale/intl.properties by default on installation. </td></tr> <tr> <td> <b>font. size. nav4rounding</b> </td><td> Boolean </td><td> <a href="https://bugzilla.mozilla.org/show_bug.cgi?id=163334" class="external text" title="https://bugzilla.mozilla.org/show_bug.cgi?id=163334" rel="nofollow">Unused (obsolete)</a>. Previously: <br /><b>True</b>: In Windows, <a href="https://bugzilla.mozilla.org/show_bug.cgi?id=24005" class="external text" title="https://bugzilla.mozilla.org/show_bug.cgi?id=24005" rel="nofollow">adjust rounding of some pixel font sizes to match Netscape 4.x's (incorrect) rounding</a> <br /><b>False</b> (default): Display fonts normally </td></tr> <tr> <td> <b>font. FreeType2.enable</b> </td><td> Boolean </td><td> Attempt to use FreeType fonts. </td></tr> <tr> <td> <b>font. FreeType2.printing</b> </td><td> Boolean </td><td> Attempt to use FreeType fonts when printing using the <a href="http://kb.mozillazine.org/PostScript_Module" title="PostScript Module"> PostScript</a> printing system. </td></tr></tbody></table> <div class="editsection" style="float: right; margin-left: 5px;">[<a href="http://kb.mozillazine.org/index.php?title=About:config_entries&amp;action=edit&amp;section=13" title="Edit section: General.*">edit</a>]</div><a name="General..2A"></a><h1>General.*</h1> <table style="border: 1px solid rgb(170, 170, 170); margin: 1em 1em 1em 0pt; background: rgb(252, 252, 252) none repeat scroll 0% 0%; -moz-background-clip: -moz-initial; -moz-background-origin: -moz-initial; -moz-background-inline-policy: -moz-initial; border-collapse: collapse;" border="2" cellpadding="4" cellspacing="0"> <tbody><tr> <th> Name </th><th> Type </th><th> Meaning of Values </th></tr> <tr> <td> <b>general. autoScroll</b> </td><td> Boolean </td><td> Status of the autoscroll option (middle-clicking on a web page produces a scrolling icon and will automatically scroll the page based on the pointer's relative location to the icon) <br /><b>True</b> (default): Activate autoscroll <br /><b>False</b> (default in *nix): Opposite of the above <br />Note: In Firefox, this can be changed via "<a href="http://kb.mozillazine.org/Menu_differences_in_Windows%2C_Linux%2C_and_Mac" title="Menu differences in Windows, Linux, and Mac">Tools &#8594; Options</a> &#8594; Advanced &#8594; General &#8594; Browsing &#8594; Use autoscrolling" </td></tr> <tr> <td> <b>general. config. filename</b> </td><td> String </td><td> A <code>.cfg</code> file to parse and read for AutoConfig. Unset by default. </td></tr> <tr> <td> <b>general. config. obscure_value</b> </td><td> Integer </td><td> An integer to use when obscuring the AutoConfig file saved to and read from disk. Default value is <b>13</b> (effectively, ROT-13 the content). </td></tr> <tr> <td> <b>general. config. vendor</b> </td><td> String </td><td> A vendor ID associated with the AutoConfig file. </td></tr> <tr> <td> <b>general. skins. selectedSkin</b> </td><td> String </td><td> The current skin used by the browser. Default value is <b>classic/1.0</b>. <br />Note: In Firefox, this can be changed via "Tools &#8594; Add-ons &#8594; Themes" (<i>Firefox 2</i>) or "Tools &#8594; Themes" (<i>Firefox 1.5 and below</i>) </td></tr> <tr> <td> <b>general. smoothScroll</b> </td><td> Boolean </td><td> Status of ths smooth scrolling option (scrolling on a web page moves page content pixelwise rather than line-by-line) <br /><b>True</b>: Activate smooth scrolling <br /><b>False</b> (default): Opposite of the above <br />Note: In Firefox, this can be changed via "<a href="http://kb.mozillazine.org/Menu_differences_in_Windows%2C_Linux%2C_and_Mac" title="Menu differences in Windows, Linux, and Mac">Tools &#8594; Options</a> &#8594; Advanced &#8594; General &#8594; Browsing &#8594; Use smooth scrolling" </td></tr> <tr> <td> <b>general. startup. browser</b> </td><td> Boolean </td><td> <b>True</b> (default): When launching Mozilla, load the browser component <br /><b>False</b>: Opposite of the above <br />Note: This preference has little to no significance in Firefox, as it is only a browser. </td></tr> <tr> <td> <b>general. useragent. contentlocale</b> </td><td> String </td><td> The content locale <a href="http://www.loc.gov/standards/iso639-2/langcodes.html" class="external text" title="http://www.loc.gov/standards/iso639-2/langcodes.html" rel="nofollow">ISO 639-2 value</a> specified in the <code><a href="http://www.mozilla.org/build/revised-user-agent-strings.html" class="external text" title="http://www.mozilla.org/build/revised-user-agent-strings.html" rel="nofollow">User-Agent</a></code> string </td></tr> <tr> <td> <b>general. useragent. extra. (product name/version)</b> </td><td> String </td><td> Allows an arbitrary number of strings to be added to the end of the <code><a href="http://www.mozilla.org/build/revised-user-agent-strings.html" class="external text" title="http://www.mozilla.org/build/revised-user-agent-strings.html" rel="nofollow">User-Agent</a></code> string. By default, <b>general.useragent.extra.<product></b> is defined and set to <b><product>/<version></b>. See <a href="https://bugzilla.mozilla.org/show_bug.cgi?id=274928" class="external text" title="https://bugzilla.mozilla.org/show_bug.cgi?id=274928" rel="nofollow">bug 274928</a> for more information. <br />Note: Only Firefox 1.5 and above, Thunderbird 1.5 and above, SeaMonkey 1.1 and above. </td></tr> <tr> <td> <b><a href="http://kb.mozillazine.org/General.useragent.locale" title="General.useragent.locale">general. useragent. locale</a></b> </td><td> String </td><td> <a href="http://www.loc.gov/standards/iso639-2/langcodes.html" class="external text" title="http://www.loc.gov/standards/iso639-2/langcodes.html" rel="nofollow">ISO 639-2 value</a> representing the user's language for the <code><a href="http://www.mozilla.org/build/revised-user-agent-strings.html" class="external text" title="http://www.mozilla.org/build/revised-user-agent-strings.html" rel="nofollow">User-Agent</a></code> string </td></tr> <tr> <td> <b>general. useragent. override</b> </td><td> String </td><td> A complete <code><a href="http://www.mozilla.org/build/revised-user-agent-strings.html" class="external text" title="http://www.mozilla.org/build/revised-user-agent-strings.html" rel="nofollow">User-Agent</a></code> string to use in place of the default. </td></tr> <tr> <td> <b>general. useragent. security</b> </td><td> String </td><td> Security level of the browser in the <code><a href="http://www.mozilla.org/build/revised-user-agent-strings.html" class="external text" title="http://www.mozilla.org/build/revised-user-agent-strings.html" rel="nofollow">User-Agent</a></code> string <br /><b>N</b>: No security <br /><b>U</b> (default): Strong security <br /><b>I</b>: Weak security </td></tr> <tr> <td> <b>general. useragent. vendor</b> </td><td> String </td><td> Vendor in the <code><a href="http://www.mozilla.org/build/revised-user-agent-strings.html" class="external text" title="http://www.mozilla.org/build/revised-user-agent-strings.html" rel="nofollow">User-Agent</a></code> string. Default value depends on browser (<b>Firefox</b> in Firefox 1.0). <br />Note: No longer specified by default in Firefox 1.5. </td></tr> <tr> <td> <b>general. useragent. vendorSub</b> </td><td> String </td><td> Vendor substring in the <code><a href="http://www.mozilla.org/build/revised-user-agent-strings.html" class="external text" title="http://www.mozilla.org/build/revised-user-agent-strings.html" rel="nofollow">User-Agent</a></code> string. Default value depends on browser version (<b>1.0</b> in Firefox 1.0) <br />Note: No longer specified by default in Firefox 1.5. </td></tr></tbody></table> <div class="editsection" style="float: right; margin-left: 5px;">[<a href="http://kb.mozillazine.org/index.php?title=About:config_entries&amp;action=edit&amp;section=14" title="Edit section: Intl.*">edit</a>]</div><a name="Intl..2A"></a><h1>Intl.*</h1> <table style="border: 1px solid rgb(170, 170, 170); margin: 1em 1em 1em 0pt; background: rgb(252, 252, 252) none repeat scroll 0% 0%; -moz-background-clip: -moz-initial; -moz-background-origin: -moz-initial; -moz-background-inline-policy: -moz-initial; border-collapse: collapse;" border="2" cellpadding="4" cellspacing="0"> <tbody><tr> <th> Name </th><th> Type </th><th> Meaning of Values </th></tr> <tr> <td> <b>intl. accept_charsets</b> </td><td> String </td><td> Currently unused. Previously: Character sets in which to accept data. Default value is <b>iso-8859-1,*,utf-8</b>. </td></tr> <tr> <td> <b>intl. accept_languages</b> </td><td> String </td><td> <a href="http://www.loc.gov/standards/iso639-2/langcodes.html" class="external text" title="http://www.loc.gov/standards/iso639-2/langcodes.html" rel="nofollow">ISO 639-2</a> values of languages to accept. Default value is determined by localized information in <b>chrome://navigator/locale/navigator.properties</b>. </td></tr> <tr> <td> <b>intl. charset. default</b> </td><td> String </td><td> Determines the default character set. Default value is <b>chrome://global-platform/locale/intl.properties</b> </td></tr> <tr> <td> <b>intl. charset. detector</b> </td><td> String </td><td> Determines which locale URI sets how character set are detected in the browser </td></tr> <tr> <td> <b>intl. charsetmenu. browser. cache</b> </td><td> String </td><td> A comma-and-space-delimited list of cached character sets for the browser </td></tr> <tr> <td> <b>intl. charsetmenu. browser. cache. size</b> </td><td> Integer </td><td> Number of character sets to cache. Default value is <b>5</b>. </td></tr> <tr> <td> <b>intl. charsetmenu. browser. more*</b> </td><td> String </td><td> A comma-and-space-delimited list of character sets to display in the character encoding menu <br />Note: In Firefox, these menus are viewable via "View &#8594; Character Encoding &#8594; More Encodings" </td></tr> <tr> <td> <b>intl. charsetmenu. browser. static</b> </td><td> String </td><td> A comma-and-space-delimited list of character sets to always display in the character encoding menu. <br />Note: In Firefox, this can be changed via "View &#8594; Character Encoding &#8594; Customize List" </td></tr> <tr> <td> <b>intl. charsetmenu. browser. unicode</b> </td><td> String </td><td> A comma-and-space-delimited list of Unicode character sets to display in the character encoding menu <br />Note: In Firefox, this menus is viewable via "View &#8594; Character Encoding &#8594; More Encodings &#8594; Unicode" </td></tr> <tr> <td> <b>intl. charsetmenu. composer. cache</b> </td><td> String </td><td> A comma-and-space-delimited list of cached character sets for Composer </td></tr> <tr> <td> <b>intl. charsetmenu. mailedit</b> </td><td> String </td><td> Determines the layout of the Character Coding menu in Mozilla Mail/News (message editor) </td></tr> <tr> <td> <b>intl. charsetmenu. mailview. cache</b> </td><td> String </td><td> A comma-and-space-delimited list of cached character sets for Mozilla Mail/News (main view) </td></tr> <tr> <td> <b>intl. collationOption</b> </td><td> String </td><td> A workaround to get correct column sorting in Mozilla Mail in Japanese builds of Linux. Default value is an empty string. Setting it to <b>useCodePointOrder</b> enables the workaround (see <a href="https://bugzilla.mozilla.org/show_bug.cgi?id=18338" class="external text" title="https://bugzilla.mozilla.org/show_bug.cgi?id=18338" rel="nofollow">bug 18338</a>). </td></tr> <tr> <td> <b>intl. content. langcode</b> </td><td> String </td><td> Default content language code </td></tr> <tr> <td> <b>intl. fallbackCharsetList. (character set)</b> </td><td> String </td><td> Determines the substitute character set if (character set) is unavailable. </td></tr> <tr> <td> <b>intl. jis0208. map</b> </td><td> String </td><td> Determines the map to use for JIS X 0208 <br /><b>CP932</b> (default in Windows): Use a CP932-compatible map <br /><b>IBM943</b> (default in OS/2): Use an IBM943-compatible map </td></tr> <tr> <td> <b>intl. keyboard. per_window_layout</b> </td><td> Boolean </td><td> <b>True</b>: Allow different windows to retain their own keyboard locale settings (see <a href="https://bugzilla.mozilla.org/show_bug.cgi?id=186549" class="external text" title="https://bugzilla.mozilla.org/show_bug.cgi?id=186549" rel="nofollow">bug 186549</a>) <br /><b>False</b> (default): Opposite of the above </td></tr> <tr> <td> <b><a href="http://kb.mozillazine.org/Intl.locale.matchOS" title="Intl.locale.matchOS">intl. locale. matchOS</a></b> </td><td> Boolean </td><td> Determines how to decide locale <br /><b>True</b>: Use the locale the OS is using <br /><b>False</b> (default): Use the value set in <a href="http://kb.mozillazine.org/General.useragent.locale" title="General.useragent.locale">general.useragent.locale</a>. </td></tr> <tr> <td> <b>intl. menuitems. alwaysappendaccesskeys</b> </td><td> String </td><td> Specifies URI to determine if access keys are appended to menu items </td></tr> <tr> <td> <b>intl. menuitems. insertseparatorbeforeaccesskeys</b> </td><td> String </td><td> Specifies URI to determine if there is a space before the paranthesis of the accesskey in the menu's label (see <a href="https://bugzilla.mozilla.org/show_bug.cgi?id=298712" class="external text" title="https://bugzilla.mozilla.org/show_bug.cgi?id=298712" rel="nofollow">bug 298712</a>). </td></tr></tbody></table> <div class="editsection" style="float: right; margin-left: 5px;">[<a href="http://kb.mozillazine.org/index.php?title=About:config_entries&amp;action=edit&amp;section=15" title="Edit section: Javascript.*">edit</a>]</div><a name="Javascript..2A"></a><h1>Javascript.*</h1> <p>javascript.* has been migrated to <a href="http://kb.mozillazine.org/Category:Preferences" title="Category:Preferences">Category:Preferences</a>. </p> <div class="editsection" style="float: right; margin-left: 5px;">[<a href="http://kb.mozillazine.org/index.php?title=About:config_entries&amp;action=edit&amp;section=16" title="Edit section: Layout.*">edit</a>]</div><a name="Layout..2A"></a><h1>Layout.*</h1> <p>layout.* allows you to modify selection behaviour, control spell checking in textareas, modify the appearance of unstyled XML, and change the way pages are layed out. </p><p>layout.* has been migrated to <a href="http://kb.mozillazine.org/Category:Preferences" title="Category:Preferences">Category:Preferences</a>. </p> <div class="editsection" style="float: right; margin-left: 5px;">[<a href="http://kb.mozillazine.org/index.php?title=About:config_entries&amp;action=edit&amp;section=17" title="Edit section: Mail.*">edit</a>]</div><a name="Mail..2A"></a><h1>Mail.*</h1> <p>See <a href="http://kb.mozillazine.org/Mail_and_news_settings" title="Mail and news settings"> Mail and news settings</a>. </p> <div class="editsection" style="float: right; margin-left: 5px;">[<a href="http://kb.mozillazine.org/index.php?title=About:config_entries&amp;action=edit&amp;section=18" title="Edit section: Mailnews.*">edit</a>]</div><a name="Mailnews..2A"></a><h1>Mailnews.*</h1> <p>See <a href="http://kb.mozillazine.org/Mail_and_news_settings" title="Mail and news settings"> Mail and news settings</a>. </p> <div class="editsection" style="float: right; margin-left: 5px;">[<a href="http://kb.mozillazine.org/index.php?title=About:config_entries&amp;action=edit&amp;section=19" title="Edit section: Middlemouse.*">edit</a>]</div><a name="Middlemouse..2A"></a><h1>Middlemouse.*</h1> <p>middlemouse.* has been migrated to <a href="http://kb.mozillazine.org/Category:Preferences" title="Category:Preferences">Category:Preferences</a>. </p> <div class="editsection" style="float: right; margin-left: 5px;">[<a href="http://kb.mozillazine.org/index.php?title=About:config_entries&amp;action=edit&amp;section=20" title="Edit section: Mousewheel.*">edit</a>]</div><a name="Mousewheel..2A"></a><h1>Mousewheel.*</h1> <p>These fall into two groups, vertical and horizontal scroll. The general form is: </p> <ul><li> mousewheel.(modifier key).(type) </li><li> mousewheel.horizscroll.(modifier key).(type) </li></ul> <p>Type is then one of: </p> <dl><dt> action </dt><dd> integer value that determines the type of action: </dd></dl> <ul><li> 0 - Scroll document by a number of <b>lines</b> (given by the numlines property) </li><li> 1 - Scroll document by one page </li><li> 2 - Move back/forward in history </li><li> 3 - Make text larger/smaller </li><li> 4 - Scroll document by a number of <b>pixels</b> (given by the numlines property) </li></ul> <dl><dt> numlines </dt><dd> number of lines to scroll by, or pixels if action is set to value 4 </dd><dt> sysnumlines </dt><dd> use system preferences to determine how many lines to scroll by </dd></dl> <div class="editsection" style="float: right; margin-left: 5px;">[<a href="http://kb.mozillazine.org/index.php?title=About:config_entries&amp;action=edit&amp;section=21" title="Edit section: Network.*">edit</a>]</div><a name="Network..2A"></a><h1>Network.*</h1> <table style="border: 1px solid rgb(170, 170, 170); margin: 1em 1em 1em 0pt; background: rgb(252, 252, 252) none repeat scroll 0% 0%; -moz-background-clip: -moz-initial; -moz-background-origin: -moz-initial; -moz-background-inline-policy: -moz-initial; border-collapse: collapse;" border="2" cellpadding="4" cellspacing="0"> <tbody><tr> <th> Name </th><th> Type </th><th> Meaning of Values </th></tr> <tr> <td> <b><a href="http://kb.mozillazine.org/Network.auth.use-sspi" title="Network.auth.use-sspi"> network. auth. use-sspi</a></b> </td><td> Boolean </td><td> <b>True</b> (default in Windows): Use <a href="http://www.microsoft.com/windows2000/techinfo/howitworks/security/sspi2000.asp" class="external text" title="http://www.microsoft.com/windows2000/techinfo/howitworks/security/sspi2000.asp" rel="nofollow">SSPI</a> instead of <a href="http://www.faqs.org/faqs/kerberos-faq/general/section-84.html" class="external text" title="http://www.faqs.org/faqs/kerberos-faq/general/section-84.html" rel="nofollow">GSSAPI</a> for <a href="http://en.wikipedia.org/wiki/Kerberos_%28protocol%29" class="external text" title="http://en.wikipedia.org/wiki/Kerberos_%28protocol%29" rel="nofollow">Kerberos-based authentication</a> <br /><b>False</b>: Opposite of the above <br />Note: Firefox 1.5 and above only. </td></tr> <tr> <td> <b><a href="http://kb.mozillazine.org/Network.autodial-helper.enabled" title="Network.autodial-helper.enabled"> network. autodial-helper. enabled</a></b> </td><td> Boolean </td><td> Help Windows NT, 2000, and XP dialup a RAS connection when a network address is unreachable. <br /><b>True</b> (default): Launch dialer (if one is configured) when address is unreachable <br /><b>False</b>: Display error message </td></tr> <tr> <td> <b><a href="http://kb.mozillazine.org/Network.automatic-ntlm-auth.allow-proxies" title="Network.automatic-ntlm-auth.allow-proxies"> network. automatic-ntlm-auth. allow-proxies</a></b> </td><td> Boolean </td><td> Enable automatic use of the operating system's NTLM implementation to silently authenticate the user with their Windows domain logon with proxy servers. (See <a href="http://www.mozilla.org/projects/netlib/integrated-auth.html" class="external text" title="http://www.mozilla.org/projects/netlib/integrated-auth.html" rel="nofollow">Integrated Authentication</a> for more information) <br /><b>True</b> (default): Automatically authenticate with proxy servers <br /><b>False</b>: Prompt for authentication </td></tr> <tr> <td> <b><a href="http://kb.mozillazine.org/Network.automatic-ntlm-auth.trusted-uris" title="Network.automatic-ntlm-auth.trusted-uris"> network. automatic-ntlm-auth. trusted-uris</a></b> </td><td> String </td><td> A comma-and-space-delimited list of URIs with which to automatically authenticate via NTLM (Windows domain logon). Default value is an empty string. (See <a href="http://www.mozilla.org/projects/netlib/integrated-auth.html" class="external text" title="http://www.mozilla.org/projects/netlib/integrated-auth.html" rel="nofollow">Integrated Authentication</a> for more information) </td></tr> <tr> <td> <b><a href="http://kb.mozillazine.org/Network.cookie.alwaysAcceptSessionCookies" title="Network.cookie.alwaysAcceptSessionCookies"> network. cookie. alwaysAcceptSessionCookies</a></b> </td><td> Boolean </td><td> Determines whether to accept session <a href="http://kb.mozillazine.org/Cookies" title="Cookies"> cookies</a> (kept for the duration of the browser session, then removed) if <b>network.cookie.lifetimePolicy</b> is <b>1</b>. <br /><b>True</b>: Accept session cookies without prompting <br /><b>False</b> (default): Prompt before accepting session cookies </td></tr> <tr> <td> <b><a href="http://kb.mozillazine.org/Network.cookie.blockFutureCookies" title="Network.cookie.blockFutureCookies"> network. cookie. blockFutureCookies</a></b> </td><td> Boolean </td><td> <b>True</b>: Allow sites to set cookies unless the user has removed cookies set by the site <br /><b>False</b> (default): Removed cookies do not affect future cookie acceptance. </td></tr> <tr> <td> <b><a href="http://kb.mozillazine.org/Network.cookie.cookieBehavior" title="Network.cookie.cookieBehavior"> network. cookie. cookieBehavior</a></b> </td><td> Integer </td><td> Determines how the browser should handle <a href="http://kb.mozillazine.org/Cookies" title="Cookies"> cookies</a>. <br /><b>0</b> : Enable all cookies (default) <br /><b>1</b>: Allow cookies from originating server only <br /><b>2</b>: Disable all cookies <br /><b>3</b>: Use P3P policy to decide (Mozilla Suite/SeaMonkey only) <br />Note: In Firefox, this can be changed via "<a href="http://kb.mozillazine.org/Menu_differences_in_Windows%2C_Linux%2C_and_Mac" title="Menu differences in Windows, Linux, and Mac">Tools &#8594; Options</a> &#8594; Privacy &#8594; Cookies &#8594; Allow sites to set cookies / for the originating web site only" (<i>Firefox 1.5 and below</i>) or "<a href="http://kb.mozillazine.org/Menu_differences_in_Windows%2C_Linux%2C_and_Mac" title="Menu differences in Windows, Linux, and Mac">Tools &#8594; Options</a> &#8594; Privacy / Cookies &#8594; Accept cookies from sites" (<i>Firefox 2</i>); or, in Mozilla Suite/SeaMonkey, via <a href="http://kb.mozillazine.org/Menu_differences_in_Windows%2C_Linux%2C_and_Mac" title="Menu differences in Windows, Linux, and Mac">Edit -> Preferences</a> -> Privacy &amp; Security -> Cookies / Cookie Acceptance Policy. Note: The option to limit cookies to the originating server was removed from the UI in Firefox 2. </td></tr> <tr> <td> <b>network. cookie. denyRemovedCookies</b> </td><td> Boolean </td><td> Seemingly unused. </td></tr> <tr> <td> <b>network. cookie. disableCookieForMailNews</b> </td><td> Boolean </td><td> Determines how Mozilla Mail/News should handle <a href="http://kb.mozillazine.org/Cookies" title="Cookies"> cookies</a>. <br /><b>True</b> (default): Reject all cookies in Mozilla Mail/News <br /><b>False</b>: Accept cookies normally </td></tr> <tr> <td> <b>network. cookie. enableForCurrentSessionOnly</b> </td><td> Boolean </td><td> <b>True</b>: Delete all <a href="http://kb.mozillazine.org/Cookies" title="Cookies"> cookies</a> at the end of the browser session <br /><b>False</b> (default): Opposite of the above <br />Note: This setting is deprecated in favor of <b>network.cookies.lifetimePolicy</b> (setting that to <b>2</b> is the equivalent of this preference set to <b>True</b>) </td></tr> <tr> <td> <b><a href="http://kb.mozillazine.org/Network.cookie.lifetime.days" title="Network.cookie.lifetime.days"> network. cookie. lifetime. days</a></b> </td><td> Integer </td><td> Determines the number of days to keep <a href="http://kb.mozillazine.org/Cookies" title="Cookies"> cookies</a> if <b>network.cookie.lifetimePolicy</b> is <b>3</b>. Default value is <b>90</b>. </td></tr> <tr> <td> <b><a href="http://kb.mozillazine.org/Network.cookie.lifetimePolicy" title="Network.cookie.lifetimePolicy"> network. cookie. lifetimePolicy</a></b> </td><td> Integer </td><td> Determines how browser sets <a href="http://kb.mozillazine.org/Cookies" title="Cookies"> cookie</a> lifetimes. <br /><b>0</b> (default): Use supplied lifetime <br /><b>1</b>: Ask before accepting <br /><b>2</b>: Accept for session only <br /><b>3</b>: Cookies last for the number of days specified in <b>network.cookie.lifetime.days</b> <br />Note: In Firefox, this can be changed via "<a href="http://kb.mozillazine.org/Menu_differences_in_Windows%2C_Linux%2C_and_Mac" title="Menu differences in Windows, Linux, and Mac">Tools &#8594; Options</a> &#8594; Privacy &#8594; Cookies &#8594; Keep Cookies:" (<i>Firefox 1.5 and below</i>) or via "<a href="http://kb.mozillazine.org/Menu_differences_in_Windows%2C_Linux%2C_and_Mac" title="Menu differences in Windows, Linux, and Mac">Tools &#8594; Options</a> &#8594; Privacy / Cookies &#8594; Keep until:" (<i>Firefox 2</i>). </td></tr> <tr> <td> <b><a href="http://kb.mozillazine.org/Network.cookie.maxNumber" title="Network.cookie.maxNumber"> network. cookie. maxNumber</a></b> </td><td> Integer </td><td> Determines the maximum amount of cookies to be stored. Valid range is from 0-65535 (<a href="http://www.ietf.org/rfc/rfc2109.txt" class="external" title="http://www.ietf.org/rfc/rfc2109.txt">RFC 2109</a> and <a href="http://www.ietf.org/rfc/rfc2965.txt" class="external" title="http://www.ietf.org/rfc/rfc2965.txt">RFC 2965</a> require this to be at least 300). Default value is <b>1000</b>. </td></tr> <tr> <td> <b><a href="http://kb.mozillazine.org/Network.cookie.maxPerHost" title="Network.cookie.maxPerHost"> network. cookie. maxPerHost</a></b> </td><td> Integer </td><td> Determines the maximum amount of cookies to be stored per host. Valid range is from 0-65535 (<a href="http://www.ietf.org/rfc/rfc2109.txt" class="external" title="http://www.ietf.org/rfc/rfc2109.txt">RFC 2109</a> and <a href="http://www.ietf.org/rfc/rfc2965.txt" class="external" title="http://www.ietf.org/rfc/rfc2965.txt">RFC 2965</a> require this to be at least 20). Default value is <b>50</b>. </td></tr> <tr> <td> <b><a href="http://kb.mozillazine.org/Network.cookie.p3p" title="Network.cookie.p3p"> network. cookie. p3p</a></b> </td><td> String </td><td> Determines the browser's P3P handling. An 8-character string. Default value is <b>ffffaaaa</b>. Each position in the string may be one of the following: <br /><b>f</b>: Flag the cookie <br /><b>d</b>: Accept the cookie, but downgrade it to a session-only lifetime <br /><b>a</b>: Accept the cookie <br /><b>r</b>: Reject the cookie <br />The character positions are as follows: <br /><b>1st position</b>: First party cookies from sites with no policy <br /><b>2nd position</b>: Third party cookies from sites with no policy <br /><b>3rd position</b>: First party cookies from sites that collect personal information without permission <br /><b>4th position</b>: Third party cookies from sites that collect personal information without permission <br /><b>5th position</b>: First party cookies from sites that collect personal information only with permission <br /><b>6th position</b>: Third party cookies from sites that collect personal information only with permission <br /><b>7th position</b>: First party cookies from sites that don't collect personal information <br /><b>8th position</b>: Third party cookies from sites that don't collect personal information <br />Note: P3P functionality is not present in Firefox and will probably be removed from Mozilla Suite (see <a href="https://bugzilla.mozilla.org/show_bug.cgi?id=225287" class="external text" title="https://bugzilla.mozilla.org/show_bug.cgi?id=225287" rel="nofollow">bug 225287</a>). </td></tr> <tr> <td> <b><a href="http://kb.mozillazine.org/Network.cookie.p3plevel" title="Network.cookie.p3plevel"> network. cookie. p3plevel</a></b> </td><td> Integer </td><td> Security level of filtering for <a href="http://kb.mozillazine.org/Cookies" title="Cookies"> cookies</a> <br /><b>0</b>: Low (use <b>afafaaaa</b>) <br /><b>1</b> (default): Medium (use <b>ffffaaaa</b>) <br /><b>2</b>: High (use <b>frfradaa</b>) <br /><b>3</b>: Custom (use value in <b>network.cookies.p3p</b>) <br />Note: P3P functionality is not present in Firefox and will probably be removed from Mozilla Suite (see <a href="https://bugzilla.mozilla.org/show_bug.cgi?id=225287" class="external text" title="https://bugzilla.mozilla.org/show_bug.cgi?id=225287" rel="nofollow">bug 225287</a>). </td></tr> <tr> <td> <b><a href="http://kb.mozillazine.org/Network.cookie.prefsMigrated" title="Network.cookie.prefsMigrated"> network. cookie. prefsMigrated</a></b> </td><td> Boolean </td><td> Indicates whether some <a href="http://kb.mozillazine.org/Cookies" title="Cookies"> cookie</a> preferences &#8212; previously stored in deprecated preferences &#8212; have been migrated to current preferences. <br /><b>True</b>: Consult current preferences for cookie prefs <br /><b>False</b> (default): Read deprecated preferences, update current preferences, then set this preference to true </td></tr> <tr> <td> <b><a href="http://kb.mozillazine.org/Network.dir.format" title="Network.dir.format"> network. dir. format</a></b> </td><td> Integer </td><td> How to format directory listings (e.g., from FTP servers) <br /><b>1</b>: Raw &#8212; exactly what comes off the network <br /><b>2</b> (default): HTML <br /><b>3</b>: <code><a href="http://www.mozilla.org/projects/netlib/dirindexformat.html" class="external text" title="http://www.mozilla.org/projects/netlib/dirindexformat.html" rel="nofollow">application/http-index-format</a></code> (requires code to parse/display that is not present by default in Firefox; it is present in the Mozilla application suite) </td></tr> <tr> <td> <b><a href="http://kb.mozillazine.org/Network.dns.disableIPv6" title="Network.dns.disableIPv6">network. dns. disableIPv6</a></b> </td><td> Boolean </td><td> Determines whether to perform IPv6 name lookups (see <a href="https://bugzilla.mozilla.org/show_bug.cgi?id=68796" class="external text" title="https://bugzilla.mozilla.org/show_bug.cgi?id=68796" rel="nofollow">bug 68796</a>) <br /><b>True</b> (default in OS X): Do not perform lookups <br /><b>False</b> (default in all others): Opposite of the above </td></tr> <tr> <td> <b><a href="http://kb.mozillazine.org/Network.dns.ipv4OnlyDomains" title="Network.dns.ipv4OnlyDomains"> network. dns. ipv4OnlyDomains</a></b> </td><td> String </td><td> A comma-separated list of domains for which DNS lookups are for IPv4 addresses only (see <a href="https://bugzilla.mozilla.org/show_bug.cgi?id=68796" class="external text" title="https://bugzilla.mozilla.org/show_bug.cgi?id=68796" rel="nofollow">bug 68796</a>). Default value is <b><code>.doubleclick.net</code></b>. </td></tr> <tr> <td> <b><a href="http://kb.mozillazine.org/Network.dnsCacheEntries" title="Network.dnsCacheEntries"> network. dnsCacheEntries</a></b> </td><td> Integer </td><td> Determines the maximum number of entries to keep in the DNS cache. Default value is <b>20</b>. </td></tr> <tr> <td> <b><a href="http://kb.mozillazine.org/Network.dnsCacheExpiration" title="Network.dnsCacheExpiration"> network. dnsCacheExpiration</a></b> </td><td> Integer </td><td> Determines the maximum number of seconds to cache resolved DNS entries. Default value is <b>60</b>. </td></tr> <tr> <td> <b><a href="http://kb.mozillazine.org/Network.enableIDN" title="Network.enableIDN">network. enableIDN</a></b> </td><td> Boolean </td><td> Determines whether to use <a href="http://www.mozilla.org/projects/intl/idn_mozilla.html" class="external text" title="http://www.mozilla.org/projects/intl/idn_mozilla.html" rel="nofollow">IDN (International Domain Name) support</a> in the browser <br /><b>True</b> (default): Enable IDN support <br /><b>False</b>: Opposite of the above <br />Note: In Firefox 1.0, this preference did not "stick" (see <a href="https://bugzilla.mozilla.org/show_bug.cgi?id=261934" class="external text" title="https://bugzilla.mozilla.org/show_bug.cgi?id=261934" rel="nofollow">bug 261934</a>). Fixed in 1.0.1. </td></tr> <tr> <td> <b>network. enablePad</b> </td><td> Boolean </td><td> Determines whether the browser is allowed to perform proxy autodiscovery <br /><b>True</b>: Autodiscovery enabled <br /><b>False</b> (default): Opposite of the above </td></tr> <tr> <td> <b><a href="http://kb.mozillazine.org/Network.ftp.anonymous_password" title="Network.ftp.anonymous password">network. ftp. anonymous_password</a></b> </td><td> String </td><td> Password to use when connecting to anonymous FTP servers. Sent instead of "mozilla@example.com" if <b>advanced.mailftp</b> is true. Not set by default. </td></tr> <tr> <td> <b><a href="http://kb.mozillazine.org/Network.ftp.idleConnectionTimeout" title="Network.ftp.idleConnectionTimeout"> network. ftp. idleConnectionTimeout</a></b> </td><td> Integer </td><td> Time in seconds until an idle FTP connection is dropped. Default value is <b>300</b>. </td></tr> <tr> <td> <b>network. hosts. nntp_server</b> </td><td> String </td><td> <a href="https://bugzilla.mozilla.org/show_bug.cgi?id=147789" class="external text" title="https://bugzilla.mozilla.org/show_bug.cgi?id=147789" rel="nofollow">Pref to be removed (obsolete)</a>. Previously: News server for Mozilla Mail/News. Default value is <b>news.mozilla.org</b>. </td></tr> <tr> <td> <b>network. hosts. pop_server</b> </td><td> String </td><td> POP (incoming mail) server for Mozilla Mail/News. Default value is <b>mail</b>. </td></tr> <tr> <td> <b>network. hosts. smtp_server</b> </td><td> String </td><td> SMTP (outgoing mail) server for Mozilla Mail/News. Default value is <b>mail</b>. </td></tr> <tr> <td> <b><a href="http://kb.mozillazine.org/Network.http.accept-encoding" title="Network.http.accept-encoding"> network. http. accept-encoding</a></b> </td><td> String </td><td> Comma-separated list of encoding types to accept from server. Sent with HTTP requests in <code>Accept-Encoding</code> header. Default value is <b>gzip, deflate</b>. <br />Note: <b>compress</b> is not a supported encoding (see <a href="https://bugzilla.mozilla.org/show_bug.cgi?id=196406" class="external text" title="https://bugzilla.mozilla.org/show_bug.cgi?id=196406" rel="nofollow">bug 196406</a>). </td></tr> <tr> <td> <b><a href="http://kb.mozillazine.org/Network.http.accept.default" title="Network.http.accept.default"> network. http. accept. default</a></b> </td><td> String </td><td> Comma-separated list of MIME types to accept from server. Sent with HTTP requests in <code>Accept</code> header. Default value is <b>text/xml,application/xml,application/xhtml+xml,text/html; q=0.9,text/plain;q=0.8,image/png,*/*;q=0.5</b>. (The space is actually not present and was only inserted to make it wrap.) </td></tr> <tr> <td> <b><a href="http://kb.mozillazine.org/Network.http.connect.timeout" title="Network.http.connect.timeout">network. http. connect. timeout</a></b> </td><td> Integer </td><td> <a href="https://bugzilla.mozilla.org/show_bug.cgi?id=205140" class="external text" title="https://bugzilla.mozilla.org/show_bug.cgi?id=205140" rel="nofollow">Pref removed (unused)</a>. Previously: determines how long to wait for a response until registering a timeout. Default value is <b>30</b>. </td></tr> <tr> <td> <b><a href="http://kb.mozillazine.org/Network.http.default-socket-type" title="Network.http.default-socket-type"> network. http. default-socket-type</a></b> </td><td> String </td><td> Determines the socket type to be used for normal HTTP traffic. Default value is an empty string, indicating a normal TCP/IP socket type. </td></tr> <tr> <td> <b><a href="http://kb.mozillazine.org/Network.http.keep-alive" title="Network.http.keep-alive"> network. http. keep-alive</a></b> </td><td> Boolean </td><td> Determines whether to use HTTP Keep-Alive connections. If more than one request is made, the browser attempts to reuse open connections that have been kept alive. <br /><b>True</b> (default): Send <code>Connection: keep-alive</code> header and <code>Keep-Alive</code> header based on contents of <b>network.http.keep-alive.timeout</b> <br /><b>False</b>: Opposite of the above (recommended in case of problems) <br />Note: This preference is effectively obsolete, as all connections are considered keep-alive in HTTP/1.1. </td></tr> <tr> <td> <b><a href="http://kb.mozillazine.org/Network.http.keep-alive.timeout" title="Network.http.keep-alive.timeout"> network. http. keep-alive. timeout</a></b> </td><td> Integer </td><td> Requested timeout for Keep-Alive connections in seconds. Default value is <b>300</b>. </td></tr> <tr> <td> <b><a href="http://kb.mozillazine.org/Network.http.max-connections" title="Network.http.max-connections">network. http. max-connections</a></b> </td><td> Integer </td><td> Determines the maximum number of simultaneous HTTP connections. Default value is <b>24</b>. Valid values are between 1 and 65535 inclusive. </td></tr> <tr> <td> <b><a href="http://kb.mozillazine.org/Network.http.max-connections-per-server" title="Network.http.max-connections-per-server"> network. http. max-connections-per-server</a></b> </td><td> Integer </td><td> Determines the maximum number of simultaneous HTTP connections that can be established per host. If a proxy server is configured, then the server is the proxy server. Default value is <b>8</b>. Valid values are between 1 and 255 inclusive. </td></tr> <tr> <td> <b><a href="http://kb.mozillazine.org/Network.http.max-persistent-connections-per-proxy" title="Network.http.max-persistent-connections-per-proxy"> network. http. max-persistent-connections-per-proxy</a></b> </td><td> Integer </td><td> If <b>network.http.keep-alive</b> is true, and if a proxy server is configured, then a new connection will only be attempted if the number of active persistent connections to the server is less than this preference. Default value is <b>4</b>. Valid values are between 1 and 255 inclusive. </td></tr> <tr> <td> <b><a href="http://kb.mozillazine.org/Network.http.max-persistent-connections-per-server" title="Network.http.max-persistent-connections-per-server"> network. http. max-persistent-connections-per-server</a></b> </td><td> Integer </td><td> If <b>network.http.keep-alive</b> is true, and if a proxy server is <i>not</i> configured, then a new connection will only be attempted if the number of active persistent connections to the server is less than this preference. Default value is <b>2</b>. Valid values are between 1 and 255 inclusive. </td></tr> <tr> <td> <b><a href="http://kb.mozillazine.org/Network.http.phishy-userpass-length" title="Network.http.phishy-userpass-length">network. http. phishy-userpass-length</a></b> </td><td> Integer </td><td> A number between 0 and 255. Warn the user if we load an URL containing a userpass field (e.g., <a href="http://user:pass@example.com/" class="external free" title="http://user:pass@example.com/" rel="nofollow">http://user:pass@example.com/</a>) unless its length is less than this threshold. Default value is <b>1</b>. </td></tr> <tr> <td> <b><a href="http://kb.mozillazine.org/Network.http.pipelining" title="Network.http.pipelining"> network. http. pipelining</a></b> </td><td> Boolean </td><td> Determines whether to use <a href="http://www.mozilla.org/projects/netlib/http/pipelining-faq.html" class="external text" title="http://www.mozilla.org/projects/netlib/http/pipelining-faq.html" rel="nofollow">HTTP/1.1 pipelining</a>. <br /><b>True</b>: Enable pipelining <br /><b>False</b> (default): Disable pipelining <br />Note: Pipelining is not well-supported by some servers and proxies. <b>Things may break &#8212; use with caution.</b> </td></tr> <tr> <td> <b>network. http. pipelining. firstrequest</b> </td><td> Boolean </td><td> <a href="https://bugzilla.mozilla.org/show_bug.cgi?id=236124" class="external text" title="https://bugzilla.mozilla.org/show_bug.cgi?id=236124" rel="nofollow">Pref removed (unused)</a> </td></tr> <tr> <td> <b><a href="http://kb.mozillazine.org/Network.http.pipelining.maxrequests" title="Network.http.pipelining.maxrequests"> network. http. pipelining. maxrequests</a></b> </td><td> Integer </td><td> Determines the maximum number of HTTP requests in the pipeline (sent sequentially without waiting for a response). Values greater than 8 are assumed to be 8; values less than 1 are assumed to be 1. Default value is <b><a href="http://forums.mozillazine.org/viewtopic.php?t=53650" class="external text" title="http://forums.mozillazine.org/viewtopic.php?t=53650" rel="nofollow">4</a></b>. </td></tr> <tr> <td> <b><a href="http://kb.mozillazine.org/Network.http.proxy.keep-alive" title="Network.http.proxy.keep-alive"> network. http. proxy. keep-alive</a></b> </td><td> Boolean </td><td> Determines whether to use HTTP Keep-Alive connections when a proxy server is configured. If more than one request is made, the browser attempts to reuse open connections that have been kept alive. <br /><b>True</b> (default): Send <code>Connection: keep-alive</code> header and <code>Keep-Alive</code> header based on contents of <b>network.http.keep-alive.timeout</b> <br /><b>False</b>: Opposite of the above (recommended in case of problems) <br />Note: This preference is effectively obsolete, as all connections are considered keep-alive in HTTP/1.1. </td></tr> <tr> <td> <b><a href="http://kb.mozillazine.org/Network.http.proxy.pipelining" title="Network.http.proxy.pipelining"> network. http. proxy. pipelining</a></b> </td><td> Boolean </td><td> Determines whether to use <a href="http://www.mozilla.org/projects/netlib/http/pipelining-faq.html" class="external text" title="http://www.mozilla.org/projects/netlib/http/pipelining-faq.html" rel="nofollow">HTTP/1.1 pipelining</a> when a proxy server is configured. <br /><b>True</b>: Enable pipelining <br /><b>False</b> (default): Disable pipelining <br />Note: Pipelining is not well-supported by some servers and proxies. <b>Things may break &#8212; use with caution.</b> </td></tr> <tr> <td> <b><a href="http://kb.mozillazine.org/Network.http.proxy.version" title="Network.http.proxy.version"> network. http. proxy. version</a></b> </td><td> String </td><td> Determines which HTTP version to use when a proxy server is configured. Default value is <b>1.1</b>, though <b>1.0</b> is recommended for some finnicky proxies (such as the Junkbuster proxy). </td></tr> <tr> <td> <b><a href="http://kb.mozillazine.org/Network.http.redirection-limit" title="Network.http.redirection-limit"> network. http. redirection-limit</a></b> </td><td> Integer </td><td> Determines how many consecutive HTTP redirects the browser will follow. Default value is <b>20</b>. Setting it to <b>0</b> will stop all redirects from occuring. <br />Note: These are header-based redirects, not (for example) <code><meta equiv="refresh"></code> HTML-based redirects. </td></tr> <tr> <td> <b><a href="http://kb.mozillazine.org/Network.http.request.max-start-delay" title="Network.http.request.max-start-delay"> network. http. request. max-start-delay</a></b> </td><td> Integer </td><td> Determines amount of time (in seconds) to suspend pending requests, before spawning a new connection, once the limit on the number of persistent connections per host (<b>network.http.max-persistent-connections-per-server</b>) has been reached. However, a new connection will not be created if max-connections (<b>network.http.max-connections</b>) or max-connections-per-server (<b>network.http.max-connections-per-server</b>) has also been reached. Default value is <b>10</b>. </td></tr> <tr> <td> <b>network. http. request. timeout</b> </td><td> Integer </td><td> <a href="https://bugzilla.mozilla.org/show_bug.cgi?id=205140" class="external text" title="https://bugzilla.mozilla.org/show_bug.cgi?id=205140" rel="nofollow">Pref removed (unused)</a>. Previously: HTTP-specific network timeout. Default value is <b>120</b>. </td></tr> <tr> <td> <b><a href="http://kb.mozillazine.org/Network.http.sendRefererHeader" title="Network.http.sendRefererHeader"> network. http. sendRefererHeader</a></b> </td><td> Integer </td><td> Determines when to send the <code>Referer</code> HTTP header. <br /><b>0</b>: Never send the referring URL <br /><b>1</b>: Send only on clicked links <br /><b>2</b> (default): Send for links and images </td></tr> <tr> <td> <b><a href="http://kb.mozillazine.org/Network.http.sendSecureXSiteReferrer" title="Network.http.sendSecureXSiteReferrer"> network. http. sendSecureXSiteReferrer</a></b> </td><td> Boolean </td><td> Determines how to handle <code>Referer</code> HTTP header when navigating between secure (HTTPS) hosts. <br /><b>True</b> (default): Send referring URL normally (default for compatibility reasons, see <a href="https://bugzilla.mozilla.org/show_bug.cgi?id=141641" class="external text" title="https://bugzilla.mozilla.org/show_bug.cgi?id=141641" rel="nofollow">bug 141641</a>) <br /><b>False</b>: Send no referring URL </td></tr> <tr> <td> <b><a href="http://kb.mozillazine.org/Network.http.use-cache" title="Network.http.use-cache"> network. http. use-cache</a></b> </td><td> Boolean </td><td> Determines whether to enable caching of HTTP documents. <br /><b>True</b> (default): Enable caching <br /><b>False</b>: Opposite of the above </td></tr> <tr> <td> <b><a href="http://kb.mozillazine.org/Network.http.version" title="Network.http.version"> network. http. version</a></b> </td><td> String </td><td> Determines which HTTP version to use. Default value is <b>1.1</b>. </td></tr> <tr> <td> <b><a href="http://kb.mozillazine.org/Network.IDN_show_punycode" title="Network.IDN show punycode">network. IDN_show_punycode</a></b> </td><td> Boolean </td><td> Determines how to display IDN hostnames in the <a href="http://kb.mozillazine.org/Location_Bar" title="Location Bar">Location Bar</a> (see <a href="https://bugzilla.mozilla.org/show_bug.cgi?id=282270" class="external text" title="https://bugzilla.mozilla.org/show_bug.cgi?id=282270" rel="nofollow">bug 282270</a>). <br /><b>True</b> (default): All IDN (UTF-8) domain names will be normalized to punycode. <br /><b>False</b>: Display IDN domain names in UTF-8 <br />Note: Addresses may be input as UTF-8 regardless of this setting. </td></tr> <tr> <td> <b><a href="http://kb.mozillazine.org/Network.IDN.blacklist_chars" title="Network.IDN.blacklist chars">network. IDN. blacklist_chars</a></b> </td><td> String </td><td> If a domain name contains any of the characters in this preference's value, display the domain in punycode, overriding <b>network.IDN_show_punycode</b> and <b>network.IDN.whitelist</b> (see <a href="https://bugzilla.mozilla.org/show_bug.cgi?id=301694" class="external text" title="https://bugzilla.mozilla.org/show_bug.cgi?id=301694" rel="nofollow">bug 301694</a>). See <a href="http://kb.mozillazine.org/Network.IDN.blacklist_chars" title="Network.IDN.blacklist chars">here</a> for a complete list of characters in the default preference. <br />Note: Firefox 1.5 and above only. </td></tr> <tr> <td> <b><a href="http://kb.mozillazine.org/Network.IDN.whitelist.%2A" title="Network.IDN.whitelist.*">network. IDN. whitelist. (TLD)</a></b> </td><td> Boolean </td><td> When <b>network.IDN_show_punycode</b> is <b>false</b>, these preferences are checked against the top-level domain of any IDN domain name. If there is a whitelist entry for the top-level domain and the entry is set to true, then the IDN is shown as intended. Otherwise, it is shown in punycode. By default, the top-level domains <b>ac</b>, <b>at</b>, <b>br</b>, <b>ch</b>, <b>cl</b>, <b>cn</b>, <b>de</b>, <b>dk</b>, <b>fi</b>, <b>gr</b>, <b>hu</b>, <b>info</b>, <b>io</b>, <b>jp</b>, <b>kr</b>, <b>li</b>, <b>lt</b>, <b>museum</b>, <b>no</b>, <b>se</b>, <b>sh</b>, <b>th</b>, <b>tm</b>, <b>tw</b>, and <b>vn</b> are whitelisted (set to <b>true</b>). <br />Note: Firefox 1.5 and above only. </td></tr> <tr> <td> <b><a href="http://kb.mozillazine.org/Network.image.imageBehavior" title="Network.image.imageBehavior">network. image. imageBehavior</a></b> </td><td> Integer </td><td> Determines when images should be loaded. <br /><b>0</b> (default): Load all images <br /><b>1</b>: Load images from same (originating) server only <br /><b>2</b>: Do not load any images <br />Note: In Firefox, this can be changed via "<a href="http://kb.mozillazine.org/Menu_differences_in_Windows%2C_Linux%2C_and_Mac" title="Menu differences in Windows, Linux, and Mac">Tools &#8594; Options</a> &#8594; Web Features &#8594; Load Images / for the originating web site only" <br />In Firefox 1.5 and above, this preference has been <a href="https://bugzilla.mozilla.org/show_bug.cgi?id=300916" class="external text" title="https://bugzilla.mozilla.org/show_bug.cgi?id=300916" rel="nofollow">renamed</a> to <a href="http://kb.mozillazine.org/Permissions.default.image" title="Permissions.default.image"><b>permissions.default.image</b></a>. </td></tr> <tr> <td> <b>network. image. warnAboutImages</b> </td><td> Boolean </td><td> <a href="https://bugzilla.mozilla.org/show_bug.cgi?id=146513" class="external text" title="https://bugzilla.mozilla.org/show_bug.cgi?id=146513" rel="nofollow">Pref unused (feature disabled).</a> Previously: <br />Determines whether to prompt the user before loading an image. <br /><b>True</b>: Load no images until user confirms <br /><b>False</b> (default): Load images normally </td></tr> <tr> <td> <b>network. negotiate-auth. allow-proxies</b> </td><td> Boolean </td><td> <b>True</b> (default): Allow SPNEGO by default when challenged by a proxy server. (See <a href="http://www.mozilla.org/projects/netlib/integrated-auth.html" class="external text" title="http://www.mozilla.org/projects/netlib/integrated-auth.html" rel="nofollow">Integrated Authentication</a> and <a href="https://bugzilla.mozilla.org/show_bug.cgi?id=266485" class="external text" title="https://bugzilla.mozilla.org/show_bug.cgi?id=266485" rel="nofollow">bug 266485</a> for more information.) <br /><b>False</b>: Opposite of the above </td></tr> <tr> <td> <b>network. negotiate-auth. delegation-uris</b> </td><td> String </td><td> A comma-and-space-delimited list of sites for which the browser may delegate user authorization to the server. (See <a href="http://www.mozilla.org/projects/netlib/integrated-auth.html" class="external text" title="http://www.mozilla.org/projects/netlib/integrated-auth.html" rel="nofollow">Integrated Authentication</a> for more information.) Default value is an empty string. </td></tr> <tr> <td> <b>network. negotiate-auth. gsslib</b> </td><td> String </td><td> Path to a specific GSSAPI library. Allows the browser (e.g.) to load different Kerberos implementations at the user's request. Default value is an empty string. <br />Note: See <a href="https://bugzilla.mozilla.org/show_bug.cgi?id=295109" class="external text" title="https://bugzilla.mozilla.org/show_bug.cgi?id=295109" rel="nofollow">bug 295109</a> for more information. </td></tr> <tr> <td> <b>network. negotiate-auth. trusted-uris</b> </td><td> String </td><td> A comma-and-space-delimited list of sites that are permitted to engage in SPNEGO authentication with the browser. (See <a href="http://www.mozilla.org/projects/netlib/integrated-auth.html" class="external text" title="http://www.mozilla.org/projects/netlib/integrated-auth.html" rel="nofollow">Integrated Authentication</a> for more information.) Default value is an empty string. </td></tr> <tr> <td> <b>network. negotiate-auth. using-native-gsslib</b> </td><td> Boolean </td><td> <b>True</b> (default): Use the GSS lib that comes standard with the host operating system <br /><b>False</b>: Use the GSSAPI library specified in <b>network.negotiate-auth.gsslib</b>. </td></tr> <tr> <td> <b>network. ntlm. send-lm-response</b> </td><td> Boolean </td><td> Determines whether or not the LM hash will be included in response to a NTLM challenge. Servers should almost never need the LM hash, and the LM hash is what makes NTLM authentication less secure. <br /><b>True</b>: Send the LM hash <br /><b>False</b> (default): Opposite of the above <br />Note: Does not affect <b>network.automatic-ntlm-auth.*</b> settings. See <a href="https://bugzilla.mozilla.org/show_bug.cgi?id=250691" class="external text" title="https://bugzilla.mozilla.org/show_bug.cgi?id=250691" rel="nofollow">bug 250961</a> for more information. </td></tr> <tr> <td> <b>network. online</b> </td><td> Boolean </td><td> Indicates whether the user is currently online. Used for enabling/disabling various options in the UI. <br /><b>True</b> (default): User is online <br /><b>False</b>: Opposite of the above </td></tr> <tr> <td> <b><a href="http://kb.mozillazine.org/Network.prefetch-next" title="Network.prefetch-next">network. prefetch-next</a></b> </td><td> Boolean </td><td> Determines whether to use <a href="http://www.mozilla.org/projects/netlib/Link_Prefetching_FAQ.html" class="external text" title="http://www.mozilla.org/projects/netlib/Link_Prefetching_FAQ.html" rel="nofollow">link prefetching</a>. <br /><b>True</b> (default): Silently prefetch hinted documents and store in the cache <br /><b>False</b>: Disable all link prefetching </td></tr> <tr> <td> <b><a href="http://kb.mozillazine.org/Network.protocol-handler.app.%28protocol%29" title="Network.protocol-handler.app.(protocol)">network. protocol-handler. app. (protocol)</a></b> </td><td> String </td><td> The path and program to run for the specified protocol. <br />Note: To set up a new protocol, it must be registered. See <a href="http://kb.mozillazine.org/Register_protocol" title="Register protocol"> here</a> for more information. </td></tr> <tr> <td> <b><a href="http://kb.mozillazine.org/Network.protocol-handler.expose-all" title="Network.protocol-handler.expose-all">network. protocol-handler. expose-all</a></b> </td><td> Boolean </td><td> Determines whether to expose (enable) all protocol handlers. This preference overrides more specific preferences, e.g. <b>network.protocol-handler.expose.mailto</b>. <br /><b>True</b>: Try to open link clicks in browser first, then fail over to system handlers <br /><b>False</b>: Do not expose all protocol handlers </td></tr> <tr> <td> <b><a href="http://kb.mozillazine.org/Network.protocol-handler.expose.%28protocol%29" title="Network.protocol-handler.expose.(protocol)">network. protocol-handler. expose. (protocol)</a></b> </td><td> Boolean </td><td> Determines whether to expose (enable) the specified protocol handler. These preferences are overridden by <b>network.protocol-handler.expose-all</b>. <br /><b>True</b>: Try to open link clicks in browser firsst, then fail over to system handlers <br /><b>False</b>: Do not expose this protocol handler </td></tr> <tr> <td> <b><a href="http://kb.mozillazine.org/Network.protocol-handler.external-default" title="Network.protocol-handler.external-default">network. protocol-handler. external-default</a></b> </td><td> Boolean </td><td> Determines the default action for unlisted external protocol handlers <br /><b>True</b> (default): Try to load <br /><b>False</b>: Opposite of the above </td></tr> <tr> <td> <b><a href="http://kb.mozillazine.org/Network.protocol-handler.external.%28protocol%29" title="Network.protocol-handler.external.(protocol)">network. protocol-handler. external. (protocol)</a></b> </td><td> Boolean </td><td> Determines whether to allow external protocol handlers to catch links with these protocols <br /><b>True</b>: Allow external handler to handle link <br /><b>False</b> (default): Prevent external handler from handling this link </td></tr> <tr> <td> <b><a href="http://kb.mozillazine.org/Network.protocol-handler.warn-external-default" title="Network.protocol-handler.warn-external-default">network. protocol-handler. warn-external-default</a></b> </td><td> Boolean </td><td> Determines whether to warn the user before loading an unlisted external handler <br /><b>True</b> (default): Warn the user <br /><b>False</b>: Opposite of the above </td></tr> <tr> <td> <b><a href="http://kb.mozillazine.org/Network.protocol-handler.warn-external.%28protocol%29" title="Network.protocol-handler.warn-external.(protocol)">network. protocol-handler. warn-external. (protocol)</a></b> </td><td> Boolean </td><td> Determines whether to warn the user before loading this protocol's external handler <br /><b>True</b>: Warn the user <br /><b>False</b> (default): Opposite of the above </td></tr> <tr> <td> <b><a href="http://kb.mozillazine.org/Network.proxy.autoconfig_url" title="Network.proxy.autoconfig url"> network. proxy. autoconfig_url</a></b> </td><td> String </td><td> The automatic proxy configuration URL used by the browser to determine a proxy server. Used when <b>network.proxy.type</b> is <b>2</b>. Default value is an empty string. <br />Note: In Firefox, this can be changed via "<a href="http://kb.mozillazine.org/Menu_differences_in_Windows%2C_Linux%2C_and_Mac" title="Menu differences in Windows, Linux, and Mac">Tools &#8594; Options</a> &#8594; Advanced &#8594; Network (Firefox 1.5 and 1.0.x: General) &#8594; Connection Settings... &#8594; Automatic proxy configuration URL" </td></tr> <tr> <td> <b><a href="http://kb.mozillazine.org/Network.proxy.failover_timeout" title="Network.proxy.failover timeout"> network. proxy. failover_timeout</a></b> </td><td> Integer </td><td> Determines how long to wait until re-contacting an unresponsive proxy server. Default value is <b>1800</b> (30 minutes). </td></tr> <tr> <td> <b><a href="http://kb.mozillazine.org/Network.proxy.%28protocol%29" title="Network.proxy.(protocol)"> network. proxy. (protocol)</a></b> </td><td> String </td><td> A manually configured proxy for the given protocol. Default value is an empty string. <br />Note: In Firefox, this can be changed via "<a href="http://kb.mozillazine.org/Menu_differences_in_Windows%2C_Linux%2C_and_Mac" title="Menu differences in Windows, Linux, and Mac">Tools &#8594; Options</a> &#8594; General (Firefox 2.0+: Advanced &#8594; Network) &#8594; Connection Settings... &#8594; Manual proxy configuration" </td></tr> <tr> <td> <b><a href="http://kb.mozillazine.org/Network.proxy.%28protocol%29_port" title="Network.proxy.(protocol) port"> network. proxy. (protocol)_port</a></b> </td><td> Integer </td><td> The port for the manually configured proxy for the given protocol. Used when <b>network.proxy.type</b> is <b>1</b>. <br />Note: In Firefox, this can be changed via "Tools &#8594; Options &#8594; General (Firefox 2.0+: Advanced &#8594; Network) &#8594; Connection Settings... &#8594; Manual proxy configuration" </td></tr> <tr> <td> <b><a href="http://kb.mozillazine.org/Network.proxy.no_proxies_on" title="Network.proxy.no proxies on"> network. proxy. no_proxies_on</a></b> </td><td> String </td><td> A comma-and-space-delimited list of hosts for which the specified proxies should not be used. (See <a href="http://kb.mozillazine.org/No_proxy_for" title="No proxy for">No proxy for</a> for syntax.) <br />Note: In Firefox, this can be changed via "<a href="http://kb.mozillazine.org/Menu_differences_in_Windows%2C_Linux%2C_and_Mac" title="Menu differences in Windows, Linux, and Mac">Tools &#8594; Options</a> &#8594; General (Firefox 2.0+: Advanced &#8594; Network) &#8594; Connection Settings... &#8594; Manual proxy configuration &#8594; No Proxy for" </td></tr> <tr> <td> <b><a href="http://kb.mozillazine.org/Network.proxy.share_proxy_settings" title="Network.proxy.share proxy settings"> network. proxy. share_proxy_settings</a></b> </td><td> Boolean </td><td> Determines whether to use the same proxy server for all protocols. <br /><b>True</b>: Use one proxy for all protocols <br /><b>False</b> (default): Opposite of the above <br />Note: In Firefox, this can be changed via "<a href="http://kb.mozillazine.org/Menu_differences_in_Windows%2C_Linux%2C_and_Mac" title="Menu differences in Windows, Linux, and Mac">Tools &#8594; Options</a> &#8594; General (Firefox 2.0+: Advanced &#8594; Network) &#8594; Connection Settings... &#8594; Manual proxy configuration &#8594; Use the same proxy for all protocols" </td></tr> <tr> <td> <b><a href="http://kb.mozillazine.org/Network.proxy.socks_remote_dns" title="Network.proxy.socks remote dns"> network. proxy. socks_remote_dns</a></b> </td><td> Boolean </td><td> <b>True</b>: Perform all DNS lookups on remote proxy server (see <a href="https://bugzilla.mozilla.org/show_bug.cgi?id=134105" class="external text" title="https://bugzilla.mozilla.org/show_bug.cgi?id=134105" rel="nofollow">bug 134105</a>) <br /><b>False</b> (default): Perform all DNS lookups client-side </td></tr> <tr> <td> <b><a href="http://kb.mozillazine.org/Network.proxy.socks_version" title="Network.proxy.socks version"> network. proxy. socks_version</a></b> </td><td> Integer </td><td> Determines which version of SOCKS to use with the server specified in <b>network.proxy.socks</b>. Default value is <b>5</b>. (The only other valid version is <b>4</b>.) </td></tr> <tr> <td> <b><a href="http://kb.mozillazine.org/Network.proxy.type" title="Network.proxy.type"> network. proxy. type</a></b> </td><td> Integer </td><td> Determines how the browser uses proxies. <br /><b>0</b> (default): Direct connection to the Internet (no proxy used) <br /><b>1</b>: Manual proxy configuration (use values in <b>network.proxy.*</b>) <br /><b>2</b>: Autoconfiguration by URL (use value in <b>network.proxy.autoconfig_url</b>) <br /><b>3</b>: Same as <b>0</b> for compatibility reasons (see <a href="https://bugzilla.mozilla.org/show_bug.cgi?id=115720" class="external text" title="https://bugzilla.mozilla.org/show_bug.cgi?id=115720" rel="nofollow">bug 115720</a>) and will be reset to 0 <br /><b>4</b>: Auto-detect proxy settings for this network <br /></td></tr> <tr> <td> <b><a href="http://kb.mozillazine.org/Network.security.ports.banned" title="Network.security.ports.banned"> network. security. ports. banned</a></b> </td><td> String </td><td> A comma-separated list of port numbers to disable in addition to the ports already disabled by default. (See <a href="http://www.mozilla.org/projects/netlib/PortBanning.html" class="external text" title="http://www.mozilla.org/projects/netlib/PortBanning.html" rel="nofollow">Mozilla Port Blocking</a> for more information.) </td></tr> <tr> <td> <b><a href="http://kb.mozillazine.org/Network.security.ports.banned.override" title="Network.security.ports.banned.override"> network. security. ports. banned. override</a></b> </td><td> String </td><td> A comma-separated list of port numbers to enable, overriding the default port blocking. (See <a href="http://www.mozilla.org/projects/netlib/PortBanning.html" class="external text" title="http://www.mozilla.org/projects/netlib/PortBanning.html" rel="nofollow">Mozilla Port Blocking</a> for more information.) </td></tr> <tr> <td> <b><a href="http://kb.mozillazine.org/Network.standard-url.encode-utf8" title="Network.standard-url.encode-utf8"> network. standard-url. encode-utf8</a></b> </td><td> Boolean </td><td> Determines how URLs are encoded and sent <br /><b>True</b>: Always encode and send URLs as UTF-8 <br /><b>False</b> (default in Firefox 1.0.x): Opposite of the above <br />Note: This was <b>True</b> for a short time before Firefox 1.5, causing trouble with some international websites (see <a href="https://bugzilla.mozilla.org/show_bug.cgi?id=284474" class="external text" title="https://bugzilla.mozilla.org/show_bug.cgi?id=284474" rel="nofollow">bug 284474</a>) </td></tr> <tr> <td> <b><a href="http://kb.mozillazine.org/Network.standard-url.escape-utf8" title="Network.standard-url.escape-utf8"> network. standard-url. escape-utf8</a></b> </td><td> Boolean </td><td> Determines whether URLs with UTF-8 characters are escaped per the spec <br /><b>True</b> (default): Escape UTF-8 characters <br /><b>False</b>: Send URLs as they are </td></tr></tbody></table> <div class="editsection" style="float: right; margin-left: 5px;">[<a href="http://kb.mozillazine.org/index.php?title=About:config_entries&amp;action=edit&amp;section=22" title="Edit section: News.*">edit</a>]</div><a name="News..2A"></a><h1>News.*</h1> <p>See <a href="http://kb.mozillazine.org/Mail_and_news_settings" title="Mail and news settings"> Mail and news settings</a>. </p> <div class="editsection" style="float: right; margin-left: 5px;">[<a href="http://kb.mozillazine.org/index.php?title=About:config_entries&amp;action=edit&amp;section=23" title="Edit section: NGLayout.*">edit</a>]</div><a name="NGLayout..2A"></a><h1>NGLayout.*</h1> <p>NGLayout stands for <a href="http://www.mozilla.org/newlayout/" class="external text" title="http://www.mozilla.org/newlayout/" rel="nofollow">Next Generation Layout Engine</a>. These preferences are largely low-level tweaks and debug options for how content appears in the browser. </p> <table style="border: 1px solid rgb(170, 170, 170); margin: 1em 1em 1em 0pt; background: rgb(252, 252, 252) none repeat scroll 0% 0%; -moz-background-clip: -moz-initial; -moz-background-origin: -moz-initial; -moz-background-inline-policy: -moz-initial; border-collapse: collapse;" border="2" cellpadding="4" cellspacing="0"> <tbody><tr> <th> Name </th><th> Type </th><th> Meaning of Values </th></tr> <tr> <td> <b>nglayout. compatibility. mode</b> </td><td> Integer </td><td> Force a compatibility mode instead of autodetecting. <br /><b>0</b> (default): Use supplied DTD <br /><b>1</b>: Standards compliance mode <br /><b>2</b>: Quirks mode </td></tr> <tr> <td> <b>nglayout. debug. checksum_xul_fastload_file</b> </td><td> Boolean </td><td> <b>True</b> (default): Verify that the checksum of the XUL Fastload file hasn't changed since that file was last written to disk <br /><b>False</b>: Don't bother verifying the checksum </td></tr> <tr> <td> <b>nglayout. debug. crossing_event_dumping</b> </td><td> Boolean </td><td> <b>True</b>: In debug-enabled builds, output information about <code>NS_MOUSE_ENTER</code>/<code>EXIT</code>-related events to stdout when Caps Lock is on and <b>nglayout.debug.event_dumping</b> is true <br /><b>False</b> (default): Opposite of the above </td></tr> <tr> <td> <b>nglayout. debug. disable_xul_cache</b> </td><td> Boolean </td><td> <b>True</b>: <a href="http://kb.mozillazine.org/Dev_:_Tips_:_Disable_XUL_cache" title="Dev : Tips : Disable XUL cache"> Prevent Mozilla from caching any chrome-level XUL components</a> (XUL, JavaScript, CSS). <br /><b>False</b> (default): Cache XUL components for better performance. </td></tr> <tr> <td> <b>nglayout. debug. disable_xul_fastload</b> </td><td> Boolean </td><td> <b>True</b>: Disable XUL Fastload caching the in-memory compiled XUL to file (<code>xul.mfl</code>, <code>xul.mfasl</code>) <br /><b>False</b> (default): Enable XUL Fastload (see <a href="https://bugzilla.mozilla.org/show_bug.cgi?id=112064" class="external text" title="https://bugzilla.mozilla.org/show_bug.cgi?id=112064" rel="nofollow">bug 112064</a>) </td></tr> <tr> <td> <b>nglayout. debug. enable_xbl_forms</b> </td><td> Boolean </td><td> <b>True</b>: Use <a href="http://www.mozilla.org/xpapps/MachVPlan/xblforms.html" class="external text" title="http://www.mozilla.org/xpapps/MachVPlan/xblforms.html" rel="nofollow">XBL form controls</a> <br /><b>False</b> (default): Opposite of the above </td></tr> <tr> <td> <b>nglayout. debug. event_dumping</b> </td><td> Boolean </td><td> <b>True</b>: In debug-enabled builds, output event-related information to stdout when Caps Lock is on <br /><b>False</b> (default): Opposite of the above </td></tr> <tr> <td> <b>nglayout. debug. invalidate_dumping</b> </td><td> Boolean </td><td> <b>True</b>: In debug-enabled builds, output information about invalidated objects/elements to stdout when Caps Lock is on <br /><b>False</b> (default): Opposite of the above </td></tr> <tr> <td> <b>nglayout. debug. motion_event_dumping</b> </td><td> Boolean </td><td> <b>True</b>: In debug-enabled builds, output information about <code>NS_MOUSE_MOVE</code>-related events to stdout when Caps Lock is on and <b>nglayout.debug.event_dumping</b> is true <br /><b>False</b> (default): Opposite of the above </td></tr> <tr> <td> <b>nglayout. debug. paint_dumping</b> </td><td> Boolean </td><td> <b>True</b>: In debug-enabled builds, output information about paint events to stdout when Caps Lock is on <br /><b>False</b> (default): Opposite of the above </td></tr> <tr> <td> <b>nglayout. debug. paint_flashing</b> </td><td> Boolean </td><td> <b>True</b>: In debug-enabled builds, flash painted elements/objects when Caps Lock is on <br /><b>False</b> (default): Opposite of the above </td></tr> <tr> <td> <b>nglayout. events. dispatchLeftClickOnly</b> </td><td> Boolean </td><td> Determines whether to dispatch left-click events only to content in the browser (chrome/XUL is exempt from the effects) <br /><b>True</b> (default): Dispatch only left-click events to browser content <br /><b>False</b>: Dispatch both left- and middle-click events </td></tr> <tr> <td> <b><a href="http://kb.mozillazine.org/Nglayout.initialpaint.delay" title="Nglayout.initialpaint.delay"> nglayout. initialpaint. delay</a></b> </td><td> Integer </td><td> Determines time in milliseconds to wait before an initial reflow attempt during page rendering. Default value is <b>250</b>. Synchronize with <b>content.notify.interval</b> for best performance. </td></tr></tbody></table> <div class="editsection" style="float: right; margin-left: 5px;">[<a href="http://kb.mozillazine.org/index.php?title=About:config_entries&amp;action=edit&amp;section=24" title="Edit section: Plugin.*">edit</a>]</div><a name="Plugin..2A"></a><h1>Plugin.*</h1> <table style="border: 1px solid rgb(170, 170, 170); margin: 1em 1em 1em 0pt; background: rgb(252, 252, 252) none repeat scroll 0% 0%; -moz-background-clip: -moz-initial; -moz-background-origin: -moz-initial; -moz-background-inline-policy: -moz-initial; border-collapse: collapse;" border="2" cellpadding="4" cellspacing="0"> <tbody><tr> <th> Name </th><th> Type </th><th> Meaning of Values </th></tr> <tr> <td> <b>plugin. default_plugin_disabled</b> </td><td> Boolean </td><td> <b>True</b> (default): When a plugin is needed, prompt the user <br /><b>False</b>: Don't prompt the user to install needed plugins </td></tr> <tr> <td> <b>plugin. disable_full_page_plugin_for_types</b> </td><td> String </td><td> MIME types that would normally be opened with a plugin, except that the action has been changed in the Firefox Download Actions window. Resetting this preference changes the download action back to the plugin. </td></tr> <tr> <td> <b>plugin. expose_full_path</b> </td><td> Boolean </td><td> <b>True</b>: In about:plugins and <code>navigator.plugins</code>, reveal the full path to plugin files <br /><b>False</b> (default): Show only the plugin filename </td></tr> <tr> <td> <b>plugin. override_internal_types</b> </td><td> Boolean </td><td> <b>True</b>: Allow plugins to override internal imglib decoder MIME types in full-page mode <br /><b>False</b> (default): Opposite of the above </td></tr> <tr> <td> <b>plugin. scan. 4xPluginFolder</b> </td><td> Boolean </td><td> Controls the scanning of the Navigator 4.x directory for plugins. When this preference is missing, the default is to pickup popular plugins such as Flash, Shockwave, Acrobat, and Quicktime. If set to true, ALL plugins will be picked up and if set to false the scan will not happen at all. </td></tr> <tr> <td> <b>plugin. scan. (Plugin)</b> </td><td> String </td><td> Name of plugin to scan for, with a minimum version specified. By default, this preference exists for <b>Acrobat</b> (5.0), <b>QuickTime</b> (5.0), <b>SunJRE</b> (1.3), and <b>WindowsMediaPlayer</b> (7.0). </td></tr> <tr> <td> <b>plugin. scan. plid. all</b> </td><td> Boolean </td><td> <b>True</b> (default): Locate plugins by the directories specified in the Windows registry for PLIDs (currently HKLM\Software\MozillaPlugins\xxxPLIDxxx\Path) <br /><b>False</b>: Opposite of the above </td></tr></tbody></table> <div class="editsection" style="float: right; margin-left: 5px;">[<a href="http://kb.mozillazine.org/index.php?title=About:config_entries&amp;action=edit&amp;section=25" title="Edit section: Print.*">edit</a>]</div><a name="Print..2A"></a><h1>Print.*</h1> <table style="border: 1px solid rgb(170, 170, 170); margin: 1em 1em 1em 0pt; background: rgb(252, 252, 252) none repeat scroll 0% 0%; -moz-background-clip: -moz-initial; -moz-background-origin: -moz-initial; -moz-background-inline-policy: -moz-initial; border-collapse: collapse;" border="2" cellpadding="4" cellspacing="0"> <tbody><tr> <th> Name </th><th> Type </th><th> Meaning of Values </th></tr> <tr> <td> <b>print. always_cache_old_pres</b> </td><td> Boolean </td><td> <b>True</b>: Cache old presentation when going into Print Preview <br /><b>False</b> (default): Opposite of the above </td></tr> <tr> <td> <b>print. extend_native_print_dialog</b> </td><td> Boolean </td><td> <b>True</b> (default): Extend the native dialog with information on printing frames. <br /><b>False</b>: Opposite of the above <br />Note: Firefox 1.5 and above only. </td></tr> <tr> <td> <b>print. postscript.enabled</b> </td><td> Boolean </td><td> <b>True</b> (default): Enable the the <a href="http://kb.mozillazine.org/PostScript_Module" title="PostScript Module"> Postscript</a> printing system on Linux, Unix, or VMS. <br /><b>False</b>: Disable the system. </td></tr> <tr> <td> <b>print. postscript.cups.enabled</b> </td><td> Boolean </td><td> <b>True</b> (default): Enable CUPS support within the <a href="http://kb.mozillazine.org/PostScript_Module" title="PostScript Module"> Postscript</a> printing system. <br /><b>False</b>: Do not try to access CUPS. </td></tr> <tr> <td> <b>print. print_edge_(position)</b> </td><td> Integer </td><td> Determines the distance from the (position) edge of the page to measure the margin. Default value is <b>0</b>. </td></tr> <tr> <td> <b>print. print_extra_margin</b> </td><td> Integer </td><td> Determines an extra gap or margin in twips (90 twips is 1/8 of an inch) around the content of the page for Print Preview only. Default value is <b>90</b> (1/8"). </td></tr> <tr> <td> <b>print. print_(footer or header)(position)</b> </td><td> String </td><td> At the given position in the header or footer, print one of the following: <br /><b>&amp;T</b>: Title of the document <br /><b>&amp;U</b>: URL <br /><b>&amp;D</b>: Date/time <br /><b>&amp;P</b>: Page number <br /><b>&amp;PT</b>: Page number "of" total pages <br /><b>(any string)</b>: A literal string with the above substitutions made </td></tr> <tr> <td> <b>print. printer_list</b> </td><td> String </td><td> Manually supplied list of printers for the <a href="http://kb.mozillazine.org/PostScript_Module" title="PostScript Module"> Postscript</a> printing system on Linux, Unix, or VMS. </td></tr> <tr> <td> <b>print. save_print_settings</b> </td><td> Boolean </td><td> <b>True</b> (default): Save the print settings after each print job <br /><b>False</b>: Opposite of the above </td></tr> <tr> <td> <b>print. show_print_progress</b> </td><td> Boolean </td><td> <b>True</b> (default): Show the progress dialog when printing <br /><b>False</b>: Opposite of the above </td></tr> <tr> <td> <b>print. use_global_printsettings</b> </td><td> Boolean </td><td> <b>True</b> (default): Every browser window uses the same print settings <br /><b>False</b>: Each browser window uses its own settings, and changes in one window don't affect the others </td></tr> <tr> <td> <b>print. use_native_print_dialog</b> </td><td> Boolean </td><td> <b>True</b> (default): Use the native print dialog <br /><b>False</b>: Use the OS print dialog <br />Note: Windows-only </td></tr> <tr> <td> <b>print. whileInPrintPreview</b> </td><td> Boolean </td><td> <b>True</b> (default): Allow printing while in Print Preview screen <br /><b>False</b>: Opposite of the above </td></tr></tbody></table> <div class="editsection" style="float: right; margin-left: 5px;">[<a href="http://kb.mozillazine.org/index.php?title=About:config_entries&amp;action=edit&amp;section=26" title="Edit section: Privacy.*">edit</a>]</div><a name="Privacy..2A"></a><h1>Privacy.*</h1> <table style="border: 1px solid rgb(170, 170, 170); margin: 1em 1em 1em 0pt; background: rgb(252, 252, 252) none repeat scroll 0% 0%; -moz-background-clip: -moz-initial; -moz-background-origin: -moz-initial; -moz-background-inline-policy: -moz-initial; border-collapse: collapse;" border="2" cellpadding="4" cellspacing="0"> <tbody><tr> <th> Name </th><th> Type </th><th> Meaning of Values </th></tr> <tr> <td> <b>privacy. item. cache</b> </td><td> Boolean </td><td> <b>True</b> (default): Clear the cache when using the Clear Private Data feature (Firefox 1.5 and above only) <br /><b>False</b>: Do not clear the cache <br />Note: This can be changed via "<a href="http://kb.mozillazine.org/Menu_differences_in_Windows%2C_Linux%2C_and_Mac" title="Menu differences in Windows, Linux, and Mac">Tools &#8594; Options</a> &#8594; Privacy &#8594; Settings..." (Firefox 1.5) or "Tools &#8594; Options &#8594; Privacy / Private Data &#8594; Settings..." (Firefox 2.0 and above). </td></tr> <tr> <td> <b>privacy. item. cookies</b> </td><td> Boolean </td><td> <b>True</b>: Delete all cookies when using the Clear Private Data feature (Firefox 1.5 and above only) <br /><b>False</b> (default): Opposite of the above <br />Note: This can be changed via "<a href="http://kb.mozillazine.org/Menu_differences_in_Windows%2C_Linux%2C_and_Mac" title="Menu differences in Windows, Linux, and Mac">Tools &#8594; Options</a> &#8594; Privacy &#8594; Settings..." (Firefox 1.5) or "Tools &#8594; Options &#8594; Privacy / Private Data &#8594; Settings..." (Firefox 2.0 and above). </td></tr> <tr> <td> <b>privacy. item. downloads</b> </td><td> Boolean </td><td> <b>True</b> (default): Clear history of downloaded files when using the Clear Private Data feature (Firefox 1.5 and above only) <br /><b>False</b>: Opposite of the above <br />Note: This can be changed via "<a href="http://kb.mozillazine.org/Menu_differences_in_Windows%2C_Linux%2C_and_Mac" title="Menu differences in Windows, Linux, and Mac">Tools &#8594; Options</a> &#8594; Privacy &#8594; Settings..." (Firefox 1.5) or "Tools &#8594; Options &#8594; Privacy / Private Data &#8594; Settings..." (Firefox 2.0 and above). </td></tr> <tr> <td> <b>privacy. item. formdata</b> </td><td> Boolean </td><td> <b>True</b> (default): Clear all saved form data when using the Clear Private Data feature (Firefox 1.5 and above only) <br /><b>False</b>: Opposite of the above <br />Note: This can be changed via "<a href="http://kb.mozillazine.org/Menu_differences_in_Windows%2C_Linux%2C_and_Mac" title="Menu differences in Windows, Linux, and Mac">Tools &#8594; Options</a> &#8594; Privacy &#8594; Settings..." (Firefox 1.5) or "Tools &#8594; Options &#8594; Privacy / Private Data &#8594; Settings..." (Firefox 2.0 and above). </td></tr> <tr> <td> <b>privacy. item. history</b> </td><td> Boolean </td><td> <b>True</b> (default): Clear the browsing history when using the Clear Private Data feature (Firefox 1.5 and above only) <br /><b>False</b>: Opposite of the above <br />Note: This can be changed via "<a href="http://kb.mozillazine.org/Menu_differences_in_Windows%2C_Linux%2C_and_Mac" title="Menu differences in Windows, Linux, and Mac">Tools &#8594; Options</a> &#8594; Privacy &#8594; Settings..." (Firefox 1.5) or "Tools &#8594; Options &#8594; Privacy / Private Data &#8594; Settings..." (Firefox 2.0 and above). </td></tr> <tr> <td> <b>privacy. item. offlineApps</b> </td><td> Boolean </td><td> <b>True</b>: Clear the offline website data when using the Clear Private Data feature (Firefox 3 and above only) <br /><b>False</b> (default): Opposite of the above <br />Note: This can be changed via "<a href="http://kb.mozillazine.org/Menu_differences_in_Windows%2C_Linux%2C_and_Mac" title="Menu differences in Windows, Linux, and Mac">Tools &#8594; Options</a> &#8594; Privacy / Private Data &#8594; Settings...". </td></tr> <tr> <td> <b>privacy. item. passwords</b> </td><td> Boolean </td><td> <b>True</b>: Delete all saved passwords when using the Clear Private Data feature (Firefox 1.5 and above only) <br /><b>False</b> (default): Opposite of the above <br />Note: This can be changed via "<a href="http://kb.mozillazine.org/Menu_differences_in_Windows%2C_Linux%2C_and_Mac" title="Menu differences in Windows, Linux, and Mac">Tools &#8594; Options</a> &#8594; Privacy &#8594; Settings..." (Firefox 1.5) or "Tools &#8594; Options &#8594; Privacy / Private Data &#8594; Settings..." (Firefox 2.0 and above). </td></tr> <tr> <td> <b>privacy. item. sessions</b> </td><td> Boolean </td><td> <b>True</b> (default): Clear all authenticated SSL sessions when using the Clear Private Data feature (Firefox 1.5 and above only) <br /><b>False</b>: Opposite of above <br />Note: This can be changed via "<a href="http://kb.mozillazine.org/Menu_differences_in_Windows%2C_Linux%2C_and_Mac" title="Menu differences in Windows, Linux, and Mac">Tools &#8594; Options</a> &#8594; Privacy &#8594; Settings..." (Firefox 1.5) or "Tools &#8594; Options &#8594; Privacy / Private Data &#8594; Settings..." (Firefox 2.0 and above). </td></tr> <tr> <td> <b>privacy. item. siteprefs</b> </td><td> Boolean </td><td> Planned for future use. </td></tr> <tr> <td> <b><a href="http://kb.mozillazine.org/Privacy.popups.disable_from_plugins" title="Privacy.popups.disable from plugins"> privacy.popups. disable_from_plugins</a></b> </td><td> Integer </td><td> Sets limits on popups generated from plugins (e.g. Flash) <br /><b>0</b>: lets all popups through <br /><b>1</b>: limits their number to <b>dom.popup_maximum</b> (even with popup blocker disabled) <br /><b>2</b>: (default in Firefox 1.5 and above and SeaMonkey) blocks popups from plugins. Whitelisted sites will still be able to open popups, regardless of this setting. <br /><b>3</b>: Blocks all plugin-initiated popups, even those on whitelisted sites. </td></tr> <tr> <td> <b>privacy. popups. firstTime</b> </td><td> Boolean </td><td> <b>True</b> (default): The user has never hidden the popup blocker notification bar before, so show a dialog explaining the status bar icon <br /><b>False</b>: The user has been informed of the status bar icon </td></tr> <tr> <td> <b>privacy. popups. policy</b> </td><td> Integer </td><td> Determines the popup blocker behavior. <br /><b>1</b>: Allow popups <br /><b>2</b>: Reject popups <br />Note: Seems to be deprecated in favor of <b>dom.disable_open_during_load</b> </td></tr> <tr> <td> <b>privacy. popups. showBrowserMessage</b> </td><td> Boolean </td><td> <b>True</b> (default): Display a message at the top of the browser window when a popup has been blocked <br /><b>False</b>: Display a status bar icon to indicate when a popup has been blocked </td></tr> <tr> <td> <b>privacy. popups. usecustom</b> </td><td> Boolean </td><td> Seemingly unused. </td></tr> <tr> <td> <b>privacy. sanitize. promptOnSanitize</b> </td><td> Boolean </td><td> <b>True</b> (default): Prompt before performing the Clear Private Data operation (Firefox 1.5 and above only) <br /><b>False</b>: Clear Private Data without confirmation <br />Note: In Firefox 1.5 and above, this can be changed via "<a href="http://kb.mozillazine.org/Menu_differences_in_Windows%2C_Linux%2C_and_Mac" title="Menu differences in Windows, Linux, and Mac">Tools &#8594; Options</a> &#8594; Privacy &#8594; Settings..." </td></tr> <tr> <td> <b>privacy. sanitize. sanitizeOnShutdown</b> </td><td> Boolean </td><td> <b>True</b>: Perform the Clear Private Data operation when closing the browser (Firefox 1.5 and above only) <br /><b>False</b> (default): Clear Private Data only when asked <br />Note: In Firefox 1.5 and above, this can be changed via "<a href="http://kb.mozillazine.org/Menu_differences_in_Windows%2C_Linux%2C_and_Mac" title="Menu differences in Windows, Linux, and Mac">Tools &#8594; Options</a> &#8594; Privacy &#8594; Settings..." </td></tr></tbody></table> <div class="editsection" style="float: right; margin-left: 5px;">[<a href="http://kb.mozillazine.org/index.php?title=About:config_entries&amp;action=edit&amp;section=27" title="Edit section: Profile.*">edit</a>]</div><a name="Profile..2A"></a><h1>Profile.*</h1> <table style="border: 1px solid rgb(170, 170, 170); margin: 1em 1em 1em 0pt; background: rgb(252, 252, 252) none repeat scroll 0% 0%; -moz-background-clip: -moz-initial; -moz-background-origin: -moz-initial; -moz-background-inline-policy: -moz-initial; border-collapse: collapse;" border="2" cellpadding="4" cellspacing="0"> <tbody><tr> <th> Name </th><th> Type </th><th> Meaning of Values </th></tr> <tr> <td> <b>profile. allow_automigration</b> </td><td> Boolean </td><td> Determines how the <a href="http://kb.mozillazine.org/Profile_Manager" title="Profile Manager">Profile Manager</a> handles automigration <br /><b>True</b>: Allow automigration <br /><b>False</b> (default): Opposite of the above </td></tr> <tr> <td> <b>profile. confirm_automigration</b> </td><td> Boolean </td><td> <b>True</b> (default): Ask user before performing an automigration <br /><b>False</b>: Opposite of the above </td></tr> <tr> <td> <b>profile. manage_only_at_launch</b> </td><td> Boolean </td><td> <b>True</b>: Only show the <a href="http://kb.mozillazine.org/Profile_Manager" title="Profile Manager">Profile Manager</a> at program launch <br /><b>False</b> (default): Show <a href="http://kb.mozillazine.org/Profile_Manager" title="Profile Manager">Profile Manager</a> at any time via menus <br />Note: In Firefox, there is no UI to access the Profile Manager from within the browser </td></tr> <tr> <td> <b>profile. migration_behavior</b> </td><td> Integer </td><td> Determines how the profile root is set. <br /><b>0</b> (default): use NS_APP_USER_PROFILES_ROOT_DIR <br /><b>1</b>: create one based on the NS4.x profile root <br /><b>2</b>: Use value in <b>profile.migration_directory</b> (if empty, use NS_APP_USER_PROFILES_ROOT_DIR) </td></tr> <tr> <td> <b>profile. migration_directory</b> </td><td> String </td><td> Path to directory for migration. Default value is an empty string. </td></tr> <tr> <td> <b>profile. seconds_until_defunct</b> </td><td> Integer </td><td> Number of seconds to wait until the profile is considered defunct. Default value is <b>-1</b> (never consider the profile defunct). </td></tr></tbody></table> <div class="editsection" style="float: right; margin-left: 5px;">[<a href="http://kb.mozillazine.org/index.php?title=About:config_entries&amp;action=edit&amp;section=28" title="Edit section: Security.*">edit</a>]</div><a name="Security..2A"></a><h1>Security.*</h1> <table style="border: 1px solid rgb(170, 170, 170); margin: 1em 1em 1em 0pt; background: rgb(252, 252, 252) none repeat scroll 0% 0%; -moz-background-clip: -moz-initial; -moz-background-origin: -moz-initial; -moz-background-inline-policy: -moz-initial; border-collapse: collapse;" border="2" cellpadding="4" cellspacing="0"> <tbody><tr> <th> Name </th><th> Type </th><th> Meaning of Values </th></tr> <tr> <td> <b>security. OCSP. URL</b> </td><td> String </td><td> Determines the URL to query for OCSP certificate verification/validation if <b>security.OCSP.enabled</b> is <b>2</b>. Default value is an empty string. <br />Note: In Firefox, this can be changed via "<a href="http://kb.mozillazine.org/Menu_differences_in_Windows%2C_Linux%2C_and_Mac" title="Menu differences in Windows, Linux, and Mac">Tools &#8594; Options</a> &#8594; Advanced &#8594; Validation &#8594; OCSP &#8594; Service URL" </td></tr> <tr> <td> <b>security. OCSP. enabled</b> </td><td> Integer </td><td> Determines behavior of OCSP-based certificate verification/validation. <br /><b>0</b> (default): Do not use OCSP for certificate validation <br /><b>1</b>: Use OCSP to validate only certificates that specify an OCSP service URL <br /><b>2</b>: Enable and use values in <b>security.OCSP.URL</b> and <b>security.OCSP.signingCA</b> for validation <br />Note: In Firefox, this can be changed via "<a href="http://kb.mozillazine.org/Menu_differences_in_Windows%2C_Linux%2C_and_Mac" title="Menu differences in Windows, Linux, and Mac">Tools &#8594; Options</a> &#8594; Advanced &#8594; Validation &#8594; OCSP" </td></tr> <tr> <td> <b>security. OCSP. signingCA</b> </td><td> String </td><td> Determines the name of the OCSP signing certificate authority to use if <b>security.OCSP.enabled</b> is <b>2</b>. Default value is an empty string. <br />Note: In Firefox, this can be changed via "<a href="http://kb.mozillazine.org/Menu_differences_in_Windows%2C_Linux%2C_and_Mac" title="Menu differences in Windows, Linux, and Mac">Tools &#8594; Options</a> &#8594; Advanced &#8594; Validation &#8594; OCSP &#8594; Response Signer" </td></tr> <tr> <td> <b>security. ask_for_password</b> </td><td> Integer </td><td> Determines when Mozilla Mail should ask for the master password. <br /><b>0</b> (default): Only the first time it's needed <br /><b>1</b>: Every time it's needed <br /><b>2</b>: Every <i>n</i> minutes, where <i>n</i> is the value in <b>security.password_lifetime</b>. </td></tr> <tr> <td> <b>security. checkloaduri</b> </td><td> Boolean </td><td> <a href="https://bugzilla.mozilla.org/show_bug.cgi?id=307382" class="external text" title="https://bugzilla.mozilla.org/show_bug.cgi?id=307382" rel="nofollow">Pref removed</a> (<a href="http://kb.mozillazine.org/Links_to_local_pages_don%27t_work#Firefox_1.5.2C_Mozilla_1.8.2C_and_newer" title="Links to local pages don't work">use CAPS instead</a>). Previously: <br />Determines how to handle access across schemes (e.g., <a href="http://kb.mozillazine.org/Links_to_local_pages_don%27t_work" title="Links to local pages don't work"> loading <code>file:</code> URLs from <code>http:</code> URLs</a>) <br /><b>True</b> (default): Perform security checks and block access for insecure access <br /><b>False</b>: Opposite of the above </td></tr> <tr> <td> <b>security. default_personal_cert</b> </td><td> String </td><td> Determines the selection of a security certificate to present to web sites that require one. <br /><b>Select Automatically</b> (default): Automatically choose the certificate <br /><b>Ask Every Time</b>: Prompt user with a choice of certificate options every time <br />Note: In Firefox, this can be changed via "<a href="http://kb.mozillazine.org/Menu_differences_in_Windows%2C_Linux%2C_and_Mac" title="Menu differences in Windows, Linux, and Mac">Tools &#8594; Options</a> &#8594; Advanced &#8594; Certificates &#8594; Client Certificate Selection" </td></tr> <tr> <td> <b>security. dialog_enable_delay</b> </td><td> Integer </td><td> Amount of time in milliseconds to disable buttons on security-sensitive dialog boxes. Default value is <b>2000</b>. </td></tr> <tr> <td> <b>security. directory</b> </td><td> String </td><td> Seemingly unused. </td></tr> <tr> <td> <b>security. enable_java</b> </td><td> Boolean </td><td> <b>True</b> (default): Java is enabled <br /><b>False</b>: Opposite of the above <br />Note: In Firefox, this can be changed via "<a href="http://kb.mozillazine.org/Menu_differences_in_Windows%2C_Linux%2C_and_Mac" title="Menu differences in Windows, Linux, and Mac">Tools &#8594; Options</a> &#8594; Content (Web Features in Firefox 1.0.x) &#8594; Enable Java" </td></tr> <tr> <td> <b>security. enable_ssl2</b> </td><td> Boolean </td><td> <b>True</b> (default in Firefox 1.5 and below): SSL 2.0 is enabled <br /><b>False</b> (default in Firefox 2): Opposite of the above <br />Note: In Firefox 1.5 and below, this can be changed via "<a href="http://kb.mozillazine.org/Menu_differences_in_Windows%2C_Linux%2C_and_Mac" title="Menu differences in Windows, Linux, and Mac">Tools &#8594; Options</a> &#8594; Advanced &#8594; Security &#8594; Use SSL 2.0" (removed from the UI in Firefox 2). </td></tr> <tr> <td> <b>security. enable_ssl3</b> </td><td> Boolean </td><td> <b>True</b> (default): SSL 3.0 is enabled <br /><b>False</b>: Opposite of the above <br />Note: In Firefox, this can be changed via "<a href="http://kb.mozillazine.org/Menu_differences_in_Windows%2C_Linux%2C_and_Mac" title="Menu differences in Windows, Linux, and Mac">Tools &#8594; Options</a> &#8594; Advanced &#8594; Security &#8594; Use SSL 3.0" </td></tr> <tr> <td> <b>security. enable.tls</b> </td><td> Boolean </td><td> <b>True</b> (default): TLS 1.0 is enabled <br /><b>False</b>: Opposite of the above <br />Note: In Firefox, this can be changed via "<a href="http://kb.mozillazine.org/Menu_differences_in_Windows%2C_Linux%2C_and_Mac" title="Menu differences in Windows, Linux, and Mac">Tools &#8594; Options</a> &#8594; Advanced &#8594; Security &#8594; Use TLS 1.0" </td></tr> <tr> <td> <b>security. password_lifetime</b> </td><td> Integer </td><td> Determines how long (in minutes) to go without asking for the master password in Mozilla Mail when <b>security.ask_for_password</b> is <b>2</b>. Default value is <b>30</b>. </td></tr> <tr> <td> <b>security. (ssl2 or ssl3). (cipher suite)</b> </td><td> Boolean </td><td> <b>True</b> (default in all except the two below): The SSL 2.0 encryption type (cipher suite) is enabled <br /><b>False</b>: Opposite of the above </td></tr> <tr> <td> <b>security. ssl3. rsa_null_sha</b> </td><td> Boolean </td><td> <b>True</b>: Enable "No encryption with RSA authentication and an SHA-1 MAC" as a cipher suite <br /><b>False</b> (default): Opposite of the above </td></tr> <tr> <td> <b>security. ssl3. rsa_null_md5</b> </td><td> Boolean </td><td> <b>True</b>: Enable "No encryption with RSA authentication and an MD5 MAC" as a cipher suite <br /><b>False</b> (default): Opposite of the above </td></tr> <tr> <td> <b>security. ui. enable</b> </td><td> Boolean </td><td> <a href="https://bugzilla.mozilla.org/show_bug.cgi?id=289640" class="external text" title="https://bugzilla.mozilla.org/show_bug.cgi?id=289640" rel="nofollow">Pref removed</a> </td></tr> <tr> <td> <b>security. warn_entering_secure</b> </td><td> Boolean </td><td> <b>True</b> (default): Display a dialog warning the user when entering a secure site from an insecure one <br /><b>False</b>: Opposite of the above </td></tr> <tr> <td> <b>security. warn_entering_secure. show_once</b> </td><td> Boolean </td><td> <b>True</b> (default): Leave the "Alert me whenever..." box unchecked on the security warning dialog <br /><b>False</b>: Opposite of the above </td></tr> <tr> <td> <b>security. warn_entering_weak</b> </td><td> Boolean </td><td> <b>True</b> (default): Display a dialog warning the user when entering an insecure site from a secure one <br /><b>False</b>: Opposite of the above </td></tr> <tr> <td> <b>security. warn_entering_weak. show_once</b> </td><td> Boolean </td><td> <b>True</b> (default): Leave the "Alert me whenever..." box unchecked on the security warning dialog <br /><b>False</b>: Opposite of the above </td></tr> <tr> <td> <b>security. warn_leaving_secure</b> </td><td> Boolean </td><td> <b>True</b> (default): Display a dialog warning the user when leaving a secure site <br /><b>False</b>: Opposite of the above </td></tr> <tr> <td> <b>security. warn_leaving_secure. show_once</b> </td><td> Boolean </td><td> <b>True</b> (default): Leave the "Alert me whenever..." box unchecked on the security warning dialog <br /><b>False</b>: Opposite of the above </td></tr> <tr> <td> <b>security. warn_submit_insecure</b> </td><td> Boolean </td><td> <b>True</b> (default): Display a dialog warning the user when submitting a form to an insecure site <br /><b>False</b>: Opposite of the above </td></tr> <tr> <td> <b>security. warn_submit_insecure. show_once</b> </td><td> Boolean </td><td> <b>True</b> (default): Leave the "Alert me whenever..." box unchecked on the security warning dialog <br /><b>False</b>: Opposite of the above </td></tr> <tr> <td> <b>security. warn_viewing_mixed</b> </td><td> Boolean </td><td> <b>True</b> (default): Display a dialog warning the user when a page has both encrypted and non-encrypted content <br /><b>False</b>: Opposite of the above </td></tr> <tr> <td> <b>security. warn_viewing_mixed. show_once</b> </td><td> Boolean </td><td> <b>True</b> (default): Leave the "Alert me whenever..." box unchecked on the security warning dialog <br /><b>False</b>: Opposite of the above </td></tr> <tr> <td> <b>security. xpconnect. plugin. unrestricted</b> </td><td> Boolean </td><td> <b>True</b> (default): Allow scripting of plugins by untrusted scripts <br /><b>False</b>: Opposite of the above </td></tr></tbody></table> <div class="editsection" style="float: right; margin-left: 5px;">[<a href="http://kb.mozillazine.org/index.php?title=About:config_entries&amp;action=edit&amp;section=29" title="Edit section: Signon.*">edit</a>]</div><a name="Signon..2A"></a><h1>Signon.*</h1> <table style="border: 1px solid rgb(170, 170, 170); margin: 1em 1em 1em 0pt; background: rgb(252, 252, 252) none repeat scroll 0% 0%; -moz-background-clip: -moz-initial; -moz-background-origin: -moz-initial; -moz-background-inline-policy: -moz-initial; border-collapse: collapse;" border="2" cellpadding="4" cellspacing="0"> <tbody><tr> <th> Name </th><th> Type </th><th> Meaning of Values </th></tr> <tr> <td> <b><a href="http://kb.mozillazine.org/Signon.prefillForms" title="Signon.prefillForms">signon. prefillForms</a></b> </td><td> Boolean </td><td> <b>True</b> (default): Allows auto-filling of stored usernames and passwords on webpage forms <br /><b>False</b>: Opposite of the above <br />Added in Firefox 1.5.0.9 and 2.0.0.1; set to "False" as workaround for <a href="https://bugzilla.mozilla.org/show_bug.cgi?id=360493" class="external text" title="https://bugzilla.mozilla.org/show_bug.cgi?id=360493" rel="nofollow">bug 360493</a> </td></tr> <tr> <td> <b>signon. SignonFileName</b> </td><td> String </td><td> Determines the filename that the <a href="http://kb.mozillazine.org/Password_Manager" title="Password Manager">Password Manager</a> uses for storing signon data. Default value is <b>signons.txt</b> </td></tr> <tr> <td> <b><a href="http://kb.mozillazine.org/Signon.SignonFileName2" title="Signon.SignonFileName2">signon. SignonFileName2</a></b> </td><td>String </td><td>Determines the filename that the <a href="http://kb.mozillazine.org/Password_Manager" title="Password Manager">Password Manager</a> uses for storing signon data starting in Firefox 1.5.0.10 and Firefox 2.0.0.2 (<a href="https://bugzilla.mozilla.org/show_bug.cgi?id=360493" class="external text" title="https://bugzilla.mozilla.org/show_bug.cgi?id=360493" rel="nofollow">bug 360493</a>). Default value is <b>signons2.txt</b> </td></tr> <tr> <td> <b>signon.expireMasterPassword</b> </td><td> Boolean </td><td> <b>True</b>: The master password for the <a href="http://kb.mozillazine.org/Password_Manager" title="Password Manager">Password Manager</a> will expire <br /><b>False</b> (default): Opposite of the above </td></tr> <tr> <td> <b>signon. rememberSignons</b> </td><td> Boolean </td><td> <b>True</b>: (default): Enable the <a href="http://kb.mozillazine.org/Password_Manager" title="Password Manager">Password Manager</a> <br /><b>False</b> Opposite of the above </td></tr></tbody></table> <div class="editsection" style="float: right; margin-left: 5px;">[<a href="http://kb.mozillazine.org/index.php?title=About:config_entries&amp;action=edit&amp;section=30" title="Edit section: Snav.*">edit</a>]</div><a name="Snav..2A"></a><h1>Snav.*</h1> <p>These preferences are associated with <a href="http://www.mozilla.org/access/keyboard/snav/" class="external text" title="http://www.mozilla.org/access/keyboard/snav/" rel="nofollow">Spatial Navigation</a>, a method of moving focus on a web page with respect to the visual layout of elements. Spatial navigation is not present (compiled in) by default, so these preferences will only work in binaries compiled with <code>ac_add_options --enable-extensions=spatialnavigation</code>. </p> <table style="border: 1px solid rgb(170, 170, 170); margin: 1em 1em 1em 0pt; background: rgb(252, 252, 252) none repeat scroll 0% 0%; -moz-background-clip: -moz-initial; -moz-background-origin: -moz-initial; -moz-background-inline-policy: -moz-initial; border-collapse: collapse;" border="2" cellpadding="4" cellspacing="0"> <tbody><tr> <th> Name </th><th> Type </th><th> Meaning of Values </th></tr> <tr> <td> <b>snav. directionalBias</b> </td><td> Integer </td><td> When calculating distances between elements on the screen, elements may be given a bias if the elements are in the direction of navigation. The bias is a given by a fraction such that: <br /><i>bias distance = true distance / directional bias</i>. The default value is <b>3</b>. </td></tr> <tr> <td> <b>snav. disableJS</b> </td><td> Boolean </td><td> <b>True</b> (default): Disable <code>onFocus</code> event that an element may recieve during spatial navigation. On some pages the page decides to move the focus as if the targeted content was clicked. This may lead to an undesirable behavior. <br /><b>False</b>: Honor <code>onFocus</code> handlers triggered by spatial navigation </td></tr> <tr> <td> <b>snav. enabled</b> </td><td> Boolean </td><td> <b>True</b> (default): Enable spatial navigation <br /><b>False</b>: Opposite of the above </td></tr> <tr> <td> <b>snav. ignoreTextFields</b> </td><td> Boolean </td><td> <b>True</b> (default): Ensure that text fields and inputs retain focus even if spatial navigation was requested <br /><b>False</b>: Opposite of the above </td></tr> <tr> <td> <b>snav. keyCode. down</b> </td><td> String </td><td> Determines the key code corresponding to downwards spatial navigation. Default value is <b>DOM_VK_DOWN</b>. <i>(A complete listing of possible key codes is available in <a href="http://lxr.mozilla.org/seamonkey/source/dom/public/idl/events/nsIDOMKeyEvent.idl" class="external text" title="http://lxr.mozilla.org/seamonkey/source/dom/public/idl/events/nsIDOMKeyEvent.idl" rel="nofollow">nsIDOMKeyEvent.idl</a>.)</i> </td></tr> <tr> <td> <b>snav. keyCode. left</b> </td><td> String </td><td> Determines the key code corresponding to left spatial navigation. Default value is <b>DOM_VK_LEFT</b>. <i>(A complete listing of possible key codes is available in <a href="http://lxr.mozilla.org/seamonkey/source/dom/public/idl/events/nsIDOMKeyEvent.idl" class="external text" title="http://lxr.mozilla.org/seamonkey/source/dom/public/idl/events/nsIDOMKeyEvent.idl" rel="nofollow">nsIDOMKeyEvent.idl</a>.)</i> </td></tr> <tr> <td> <b>snav. keyCode. modifier</b> </td><td> String </td><td> Determines the key code corresponding to the required modifier keys. These values are given as follows: <br /><b>NONE: 0 </b> <br /><b>SHIFT: 0x00100000</b> <br /><b>CONTROL: 0x00001100</b> <br /><b>ALT: 0x00000012</b> <br />The default value is <b>ALT </b>|<b> SHIFT</b>. </td></tr> <tr> <td> <b>snav. keyCode. right</b> </td><td> String </td><td> Determines the key code corresponding to right spatial navigation. Default value is <b>DOM_VK_RIGHT</b>. <i>(A complete listing of possible key codes is available in <a href="http://lxr.mozilla.org/seamonkey/source/dom/public/idl/events/nsIDOMKeyEvent.idl" class="external text" title="http://lxr.mozilla.org/seamonkey/source/dom/public/idl/events/nsIDOMKeyEvent.idl" rel="nofollow">nsIDOMKeyEvent.idl</a>.)</i> </td></tr> <tr> <td> <b>snav. keyCode. up</b> </td><td> String </td><td> Determines the key code corresponding to upwards spatial navigation. Default value is <b>DOM_VK_LEFT</b>. <i>(A complete listing of possible key codes is available in <a href="http://lxr.mozilla.org/seamonkey/source/dom/public/idl/events/nsIDOMKeyEvent.idl" class="external text" title="http://lxr.mozilla.org/seamonkey/source/dom/public/idl/events/nsIDOMKeyEvent.idl" rel="nofollow">nsIDOMKeyEvent.idl</a>.)</i> </td></tr> <tr> <td> <b>snav. rectFudge</b> </td><td> Integer </td><td> To reduce the chance that a element overlaps with another element, we reduce the elements height and width by this value. Default value is <b>20</b>. </td></tr></tbody></table> <div class="editsection" style="float: right; margin-left: 5px;">[<a href="http://kb.mozillazine.org/index.php?title=About:config_entries&amp;action=edit&amp;section=31" title="Edit section: Toolkit.*">edit</a>]</div><a name="Toolkit..2A"></a><h1>Toolkit.*</h1> <table style="border: 1px solid rgb(170, 170, 170); margin: 1em 1em 1em 0pt; background: rgb(252, 252, 252) none repeat scroll 0% 0%; -moz-background-clip: -moz-initial; -moz-background-origin: -moz-initial; -moz-background-inline-policy: -moz-initial; border-collapse: collapse;" border="2" cellpadding="4" cellspacing="0"> <tbody><tr> <th> Name </th><th> Type </th><th> Meaning of Values </th></tr> <tr> <td> <b><a href="http://kb.mozillazine.org/Toolkit.autocomplete.richBoundaryCutoff" title="Toolkit.autocomplete.richBoundaryCutoff"> toolkit. autocomplete. richBoundaryCutoff</a></b> </td><td> Integer </td><td> Determines how much of the text to search for matched text, specified as the number of characters from the beginning. Default is 200. </td></tr> <tr> <td> <b><a href="http://kb.mozillazine.org/Toolkit.scrollbox.clickToScroll.scrollDelay" title="Toolkit.scrollbox.clickToScroll.scrollDelay"> toolkit. scrollbox. clickToScroll. scrollDelay</a></b> </td><td> Integer </td><td> Determines how many milliseconds to wait before scrolling the tab strip by another increment. (Default: 150) </td></tr> <tr> <td> <b><a href="http://kb.mozillazine.org/Toolkit.scrollbox.scrollIncrement" title="Toolkit.scrollbox.scrollIncrement"> toolkit. scrollbox. scrollIncrement</a></b> </td><td> Integer </td><td> Determines how many pixels to scroll at a time when scrolling the tab strip&#8217;s scrollbox. (Default: 20) </td></tr> <tr> <td> <b><a href="http://kb.mozillazine.org/Toolkit.scrollbox.smoothScroll" title="Toolkit.scrollbox.smoothScroll"> toolkit. scrollbox. smoothScroll</a></b> </td><td> Boolean </td><td> <b>True</b> (default): Scroll the tab strip smoothly to a newly-selected tab. <br /><b>False</b>: Move to the new tab immediately. </td></tr> <tr> <td><b>toolkit. storage. synchronous</b> </td><td>Integer </td><td><b>1</b> (default): NORMAL disk synchronization checking <br /><b>2</b>: FULL disk synchronization checking (previous default) <br /><b>0</b>: OFF (may cause database corruption if the OS crashes or machine loses power) <br /><p>This preference was added in <a href="https://bugzilla.mozilla.org/show_bug.cgi?id=421482" class="external text" title="https://bugzilla.mozilla.org/show_bug.cgi?id=421482" rel="nofollow">bug 421482</a> with default set to NORMAL, to reduce disk churning and enhance performance. <a href="http://forums.mozillazine.org/viewtopic.php?p=3382166#p3382166" class="external autonumber" title="http://forums.mozillazine.org/viewtopic.php?p=3382166#p3382166" rel="nofollow">[2]</a> (Firefox 3) </p> </td></tr> <tr> <td> <b><a href="http://kb.mozillazine.org/Toolkit.zoomManager.zoomValues" title="Toolkit.zoomManager.zoomValues"> toolkit. zoomManager. zoomValues</a></b> </td><td> String </td><td> Specify the zoom levels as multipliers that the user can use on content. Default value is .3,.5,.67,.8,.9,1,1.1,1.2,1.33,1.5,1.7,2,2.4,3 </td></tr></tbody></table> <div class="editsection" style="float: right; margin-left: 5px;">[<a href="http://kb.mozillazine.org/index.php?title=About:config_entries&amp;action=edit&amp;section=32" title="Edit section: UI.*">edit</a>]</div><a name="UI..2A"></a><h1>UI.*</h1> <p>Most of these preferences control settings that the browser attempts to read from the host operating system (e.g., your current color scheme). However, these can be overridden by manually setting the preferences to something else. For a more complete listing of the UI.* preferences, see <a href="http://www.mozilla.org/unix/customizing.html#ui" class="external text" title="http://www.mozilla.org/unix/customizing.html#ui" rel="nofollow">UI Widget Look and Feel</a>. </p> <table style="border: 1px solid rgb(170, 170, 170); margin: 1em 1em 1em 0pt; background: rgb(252, 252, 252) none repeat scroll 0% 0%; -moz-background-clip: -moz-initial; -moz-background-origin: -moz-initial; -moz-background-inline-policy: -moz-initial; border-collapse: collapse;" border="2" cellpadding="4" cellspacing="0"> <tbody><tr> <th> Name </th><th> Type </th><th> Meaning of Values </th></tr> <tr> <td> <b>ui. key. accelKey</b> </td><td> Integer </td><td> Determines the key code corresponding to the accelerator key. <br /><b>17</b> (default in Windows): Ctrl <br /><b>18</b> (default in BeOS): Alt <br /><b>224</b> (default in Mac OS X): Cmd </td></tr> <tr> <td> <b><a href="http://kb.mozillazine.org/Ui.key.generalAccessKey" title="Ui.key.generalAccessKey">ui. key. generalAccessKey</a></b> </td><td> Integer </td><td> Determines the key code corresponding to the generic key used for Mozilla shortcuts <br /><b>-1</b> (default in recent builds) Use <a href="http://kb.mozillazine.org/Ui.key.chromeAccess" title="Ui.key.chromeAccess">ui. key. chromeAccess</a> for chrome and <a href="http://kb.mozillazine.org/Ui.key.contentAccess" title="Ui.key.contentAccess">ui. key. contentAccess</a> for content <br /><b>0</b> Disable <br /><b>17</b> (default in BeOS, Mac OS X): Ctrl <br /><b>18</b> (default in Windows): Alt </td></tr> <tr> <td> <b><a href="http://kb.mozillazine.org/Ui.key.chromeAccess" title="Ui.key.chromeAccess">ui. key. chromeAccess</a></b> </td><td> Integer </td><td> Determines the key accelerator for chrome shortcuts <br /><b>0</b> Disable <br /><b>1</b> Shift <br /><b>2</b> Ctrl (default in Mac OS X) <br /><b>4</b> Alt (default in Windows and Linux) <br /><b>8</b> Meta or Cmd <br /><b>Other:</b> Add the above for keychords </td></tr> <tr> <td> <b><a href="http://kb.mozillazine.org/Ui.key.contentAccess" title="Ui.key.contentAccess">ui. key. contentAccess</a></b> </td><td> Integer </td><td> Determines the key accelerator for shortcuts in content <br /><b>0</b> Disable <br /><b>1</b> Shift <br /><b>2</b> Ctrl (default in Mac OS X) <br /><b>4</b> Alt <br /><b>8</b> Meta or Cmd <br /><b>Other:</b> Add the above for keychords. E.g. <b>5</b> = Alt+Shift (default in Windows and Linux) </td></tr> <tr> <td> <b>ui. key. menuAccessKey</b> </td><td> Integer </td><td> Determines the key code corresponding to Mozilla menu access <br /><b>0</b> (default in Mac OS X): none <br /><b>17</b> (default in BeOS): Ctrl <br /><b>18</b> (default in Windows): Alt </td></tr> <tr> <td> <b>ui. key. menuAccessKeyFocuses</b> </td><td> Boolean </td><td> <b>True</b> (default in Windows): Menus gain focus when <b>ui.key.menuAccessKey</b> is pressed <br /><b>False</b>: Opposite of the above </td></tr> <tr> <td> <b>ui. key. saveLink. shift</b> </td><td> Boolean </td><td> <b>True</b> (default): Shift-clicking a link opens the Save Link As dialog <br /><b>False</b>: Opposite of the above </td></tr> <tr> <td> <b>ui. submenuDelay</b> </td><td> Integer </td><td> Determines the delay in milliseconds between hovering over a menu option with a submenu and the submenu appearing. If this preference is not set, the OS's value is used. </td></tr> <tr> <td> <b>ui. textSelectBackground</b> </td><td> String </td><td> Determines the background color to use for text selections as a hex code or named color. If this preference is not set, the OS's value is used. </td></tr> <tr> <td> <b>ui. textSelectBackgroundAttention</b> </td><td> String </td><td> Determines the background color used for <a href="http://www.mozilla.org/access/type-ahead/" class="external text" title="http://www.mozilla.org/access/type-ahead/" rel="nofollow">Find As You Type</a> as a hex code or named color. If this preference is not set, the inverse of <b>ui.textSelectBackground</b> is used. </td></tr> <tr> <td> <b>ui. textSelectForeground</b> </td><td> String </td><td> Determines the text color to use for text selections as a hex code or named color. If this preference is not set, the OS's value is used. </td></tr></tbody></table> <div class="editsection" style="float: right; margin-left: 5px;">[<a href="http://kb.mozillazine.org/index.php?title=About:config_entries&amp;action=edit&amp;section=33" title="Edit section: Update.*, Update_notifications.*">edit</a>]</div><a name="Update..2A.2C_Update_notifications..2A"></a><h1>Update.*, Update_notifications.*</h1> <table style="border: 1px solid rgb(170, 170, 170); margin: 1em 1em 1em 0pt; background: rgb(252, 252, 252) none repeat scroll 0% 0%; -moz-background-clip: -moz-initial; -moz-background-origin: -moz-initial; -moz-background-inline-policy: -moz-initial; border-collapse: collapse;" border="2" cellpadding="4" cellspacing="0"> <tbody><tr> <th> Name </th><th> Type </th><th> Meaning of Values </th></tr> <tr> <td> <b>update. interval</b> </td><td> Integer </td><td> Determines how often to check <b>extensions.update.interval</b> and <b>app.update.interval</b> in milliseconds. Default value is <b>3600000</b> (1 hour). </td></tr> <tr> <td> <b>update. severity</b> </td><td> Integer </td><td> Used by the update system to determines when to display the icon for pending updates. <br /><b>0</b> (default): Low severity update(s) available (extension/theme updates) <br /><b>1</b>: Medium severity update(s) available (numerous extension/theme updates) <br /><b>2</b>: High severity updates available (new version of Firefox/security patch) </td></tr> <tr> <td> <b>update. showSlidingNotification</b> </td><td> Boolean </td><td> <b>True</b> (default): Display the sliding alert when updates are available <br /><b>False</b>: Opposite of the above </td></tr> <tr> <td> <b>update_notifications. enabled</b> </td><td> Boolean </td><td> <b>True</b> (default): Display a notification in the browser when updates are available <br /><b>False</b>: Opposite of the above </td></tr> <tr> <td> <b>update_notifications. provider. 0. datasource</b> </td><td> String </td><td> Determines where to get update notifications. Value is pulled from chrome://browser-region/locale/region.properties. </td></tr> <tr> <td> <b>update_notifications. provider. 0. frequency</b> </td><td> Integer </td><td> Number of days between update checks. Default value is <b>7</b>. </td></tr></tbody></table> <div class="editsection" style="float: right; margin-left: 5px;">[<a href="http://kb.mozillazine.org/index.php?title=About:config_entries&amp;action=edit&amp;section=34" title="Edit section: View_source.*">edit</a>]</div><a name="View_source..2A"></a><h1>View_source.*</h1> <table style="border: 1px solid rgb(170, 170, 170); margin: 1em 1em 1em 0pt; background: rgb(252, 252, 252) none repeat scroll 0% 0%; -moz-background-clip: -moz-initial; -moz-background-origin: -moz-initial; -moz-background-inline-policy: -moz-initial; border-collapse: collapse;" border="2" cellpadding="4" cellspacing="0"> <tbody><tr> <th> Name </th><th> Type </th><th> Meaning of Values </th></tr> <tr> <td> <b><a href="http://kb.mozillazine.org/View_source.editor.external" title="View source.editor.external"> view_source. editor. external</a></b> </td><td> Boolean </td><td> <b>True</b>: The program defined in <b>view_source. editor. path</b> should be used when View Source is requested. <b>False</b> (default): The internal viewer should be used when View Source is requested. </td></tr> <tr> <td> <b><a href="http://kb.mozillazine.org/View_source.editor.path" title="View source.editor.path"> view_source. editor. path</a></b> </td><td> String </td><td> Path to the external editor to use for View Source when <b>view_source. editor. external</b> is True. If the path doesn't exist or isn't a program, the internal viewer will always be used. </td></tr> <tr> <td> <b><a href="http://kb.mozillazine.org/View_source.syntax_highlight" title="View source.syntax highlight"> view_source. syntax_highlight</a></b> </td><td> Boolean </td><td> <b>True</b> (default): Enable syntax highlighting in the view source window. <br /><b>False</b>: Opposite of the above <br />Note: This can be changed via "View &#8594; Syntax Highlighting" in the view source window. </td></tr> <tr> <td> <b><a href="http://kb.mozillazine.org/View_source.wrap_long_lines" title="View source.wrap long lines"> view_source. wrap_long_lines</a></b> </td><td> Boolean </td><td> <b>True</b>: HTML code will wrap in the view source window. <br /><b>False</b> (default): HTML code will not wrap in the view source window. <br />Note: This can be changed via "View &#8594; Wrap Long Lines" in the view source window. </td></tr></tbody></table> <div class="editsection" style="float: right; margin-left: 5px;">[<a href="http://kb.mozillazine.org/index.php?title=About:config_entries&amp;action=edit&amp;section=35" title="Edit section: XPInstall.*">edit</a>]</div><a name="XPInstall..2A"></a><h1>XPInstall.*</h1> <table style="border: 1px solid rgb(170, 170, 170); margin: 1em 1em 1em 0pt; background: rgb(252, 252, 252) none repeat scroll 0% 0%; -moz-background-clip: -moz-initial; -moz-background-origin: -moz-initial; -moz-background-inline-policy: -moz-initial; border-collapse: collapse;" border="2" cellpadding="4" cellspacing="0"> <tbody><tr> <th> Name </th><th> Type </th><th> Meaning of Values </th></tr> <tr> <td> <b>xpinstall. dialog. confirm</b> </td><td> String </td><td> Determines the chrome location of the XPInstall dialog. Default value is <b>chrome://mozapps/content/xpinstall/xpinstallConfirm.xul</b>. </td></tr> <tr> <td> <b>xpinstall. dialog. progress. chrome</b> </td><td> String </td><td> Determines the chrome location of the extensions dialog. Default value is <b>chrome://mozapps/content/extensions/extensions.xul?type=extensions</b>. </td></tr> <tr> <td> <b>xpinstall. dialog. progress. skin</b> </td><td> String </td><td> Determines the chrome location of the themes dialog. Default value is <b>chrome://mozapps/content/extensions/extensions.xul?type=themes</b>. </td></tr> <tr> <td> <b>xpinstall. enabled</b> </td><td> Boolean </td><td> <b>True</b> (default): Enables the XPInstall system (i.e., allows extensions to be installed) <br /><b>False</b>: Opposite of the above <br />Note: In Firefox 1.0.x, this can be changed in "<a href="http://kb.mozillazine.org/Menu_differences_in_Windows%2C_Linux%2C_and_Mac" title="Menu differences in Windows, Linux, and Mac">Tools &#8594; Options</a> &#8594; Web Features &#8594; Allow web sites to install software" (UI removed in Firefox 1.5). </td></tr> <tr> <td> <b>xpinstall. whitelist. add</b> </td><td> String </td><td> A comma-separated list of sites to automatically add to the extensions whitelist. Default value is <b>update.mozilla.org,addons.mozilla.org</b> but is cleared as soon as the values are added to the whitelist </td></tr> <tr> <td> <b>xpinstall. whitelist. required</b> </td><td> Boolean </td><td> <b>True</b> (default): When installing extensions from remote hosts, remote host must be on the whitelist <br /><b>False</b>: Opposite of the above </td></tr></tbody></table> <div class="editsection" style="float: right; margin-left: 5px;">[<a href="http://kb.mozillazine.org/index.php?title=About:config_entries&amp;action=edit&amp;section=36" title="Edit section: Miscellaneous">edit</a>]</div><a name="Miscellaneous"></a><h1>Miscellaneous</h1> <p>See <a href="http://kb.mozillazine.org/Mail_and_news_settings" title="Mail and news settings">Mail and news settings</a> for other miscellaneous preferences related to Thunderbird and Mozilla Suite/SeaMonkey mail and news. </p> <table style="border: 1px solid rgb(170, 170, 170); margin: 1em 1em 1em 0pt; background: rgb(252, 252, 252) none repeat scroll 0% 0%; -moz-background-clip: -moz-initial; -moz-background-origin: -moz-initial; -moz-background-inline-policy: -moz-initial; border-collapse: collapse;" border="2" cellpadding="4" cellspacing="0"> <tbody><tr> <th> Name </th><th> Type </th><th> Meaning of Values </th></tr> <tr> <td> <b>allinonegest. *</b> </td><td> Varied </td><td> These preferences are set via the <a href="http://perso.wanadoo.fr/marc.boullet/ext/extensions-en.html" class="external text" title="http://perso.wanadoo.fr/marc.boullet/ext/extensions-en.html" rel="nofollow">All in One Mouse Gestures</a> extension. </td></tr> <tr> <td> <b>application. use_ns_plugin_finder</b> </td><td> Boolean </td><td> <b>True</b>: When a plugin is not found, clicking on the puzzle piece will open a dialog telling the user what plugin is needed. Clicking on the "Get the Plugin" button brings the user to the plugins installation page. <br /><b>False</b> (default): Clicking on the puzzle piece will send the user to that plugin's page on plugins.netscape.com which will have a link to that plugin's installation page. </td></tr> <tr> <td> <b>backups. number_of_prefs_copies</b> </td><td> Integer </td><td> <a href="https://bugzilla.mozilla.org/show_bug.cgi?id=253259" class="external text" title="https://bugzilla.mozilla.org/show_bug.cgi?id=253259" rel="nofollow">Unused (obsolete)</a>. Previously: number of backup copies of prefs.js to keep. </td></tr> <tr> <td> <b><a href="http://kb.mozillazine.org/Clipboard.autocopy" title="Clipboard.autocopy">clipboard. autocopy</a></b> </td><td> Boolean </td><td> <b>True</b>: Selecting text automatically copies it to the clipboard <br /><b>False</b> (default): Opposite of the above <br />Note: <a href="https://bugzilla.mozilla.org/show_bug.cgi?id=160200" class="external text" title="https://bugzilla.mozilla.org/show_bug.cgi?id=160200" rel="nofollow">*nix only</a>. </td></tr> <tr> <td> <b>converter. html2txt. header_strategy</b> </td><td> Integer </td><td> How to format HTML headers (<code>H1</code>-<code>H6</code>) when saving a web page as text-only <br /><b>0</b>: No indentation <br /><b>1</b> (default): Indent headers based on header level (i.e. <code>H<i>(n+1)</i></code> is indented more than <code>H<i>(n))</i></code> <br /><b>2</b>: Number headings and indent slightly </td></tr> <tr> <td> <b>converter. html2txt. structs</b> </td><td> Boolean </td><td> Determines whether to format "structured" elements (<code><strong></code>, <code><em></code>, <code><code></code>, <code><sub></code>, <code><sup></code>, <code><b></code>, <code><i></code>, <code><u></code>) with other characters when saving a web page as text-only <br /><b>True</b> (default): <code>*Strong*</code>, <code>/em/</code>, <code>|code|</code>, <code>_sub</code>, <code>^sup</code>, <code>*b*</code>, <code>/i/</code>, <code>_u_</code> <br /><b>False</b>: <code>Strong</code>, <code>em</code>, <code>code</code>, <code>sub</code>, <code>sup</code>, <code>b</code>, <code>i</code>, <code>u</code> </td></tr> <tr> <td> <b>custtoolbar. personal_toolbar_folder</b> </td><td> String </td><td> Custom name for the Personal Toolbar Folder. If empty (default), name is determined by string bundle or the hard-coded value "Personal Toolbar Folder". </td></tr> <tr> <td> <b><a href="http://kb.mozillazine.org/Gfx.color_management.display_profile" title="Gfx.color management.display profile">gfx. color_management. display_profile</a></b> </td><td> String </td><td> Full path to an ICM profile for output. Default is an empty string in which case the systems global profile is used. If no global profile can be found a default sRGB profile is used. </td></tr> <tr> <td> <b><a href="http://kb.mozillazine.org/Gfx.color_management.enabled" title="Gfx.color management.enabled">gfx. color_management. enabled</a></b> </td><td> Boolean </td><td> <b>True</b>: Enable color management for rendered graphics. <br /><b>False</b> (default): Disable color management. </td></tr> <tr> <td> <b>gfx. use_text_smoothing_setting</b> </td><td> Boolean </td><td> <b>True</b>: <br /><b>False</b> (default): . </td></tr> <tr> <td> <b>image. animation_mode</b> </td><td> String </td><td> Determines how to animate multi-frame GIF images <br /><b>none</b>: animated images will never play. <br /><b>once</b>: animated images will play once. <br /><b>normal</b> (default): animated images will play as normal. </td></tr> <tr> <td> <b>images. dither</b> </td><td> String </td><td> Whether to dither images <br /><b>auto</b> (default): Automatically decide <br /><b>true</b>: Dither images <br /><b>false</b>: Disable image dithering </td></tr> <tr> <td> <b>ime. password. onBlur. dontCare</b> </td><td> Boolean </td><td> Determines how an IME editor window should react when password fields lose focus (see <a href="https://bugzilla.mozilla.org/show_bug.cgi?id=16940" class="external text" title="https://bugzilla.mozilla.org/show_bug.cgi?id=16940" rel="nofollow">bug 16940</a>). <br /><b>True</b>: Leave the IME open <br /><b>False</b> (default): Re-open the IME if it was open prior to the password field's focus. <br />Note: Firefox 1.5 and above only. </td></tr> <tr> <td> <b>ime. password. onFocus. dontCare</b> </td><td> Boolean </td><td> Determines how an IME editor window should react when password fields gain focus (see <a href="https://bugzilla.mozilla.org/show_bug.cgi?id=16940" class="external text" title="https://bugzilla.mozilla.org/show_bug.cgi?id=16940" rel="nofollow">bug 16940</a>). <br /><b>True</b>: Leave the IME open <br /><b>False</b> (default): Close the IME. <br />Note: Firefox 1.5 and above only. </td></tr> <tr> <td> <b>inspector. *</b> </td><td> Varied </td><td> These entries apply to the <a href="http://kb.mozillazine.org/DOM_Inspector" title="DOM Inspector">DOM Inspector</a> and are only relevant if you have it installed. </td></tr> <tr> <td> <b><a href="http://kb.mozillazine.org/Keyword.URL" title="Keyword.URL">keyword. URL</a></b> </td><td> String </td><td> URL to use for keyword lookups. Default value in Firefox 2.0 is <p>http://www.google.com/search? ie=UTF-8&amp;oe=UTF-8&amp;sourceid=navclient&amp;gfns=1&amp;q= </p> </td></tr> <tr> <td> <b><a href="http://kb.mozillazine.org/Keyword.enabled" title="Keyword.enabled">keyword. enabled</a></b> </td><td> Boolean </td><td> Determines whether to use keywords <br /><b>True</b> (default): Send non-URLs entered in the <a href="http://kb.mozillazine.org/Location_Bar" title="Location Bar">Location Bar</a> to the URL specified in <b>keyword.URL</b> <br /><b>False</b>: Disable keywords </td></tr> <tr> <td> <b>mail. ui. display. dateformat. today</b> </td><td> Integer </td><td> See <a href="http://kb.mozillazine.org/Change_the_Date_Format" title="Change the Date Format">Change the Date Format</a>. </td></tr> <tr> <td> <b><a href="http://kb.mozillazine.org/Permissions.default.image" title="Permissions.default.image">permissions. default. image</a></b> </td><td> Integer </td><td> Determines when images should be loaded. <br /><b>1</b> (default): Load all images <br /><b>2</b>: Do not load any images <br /><b>3</b>: Load images from same (originating) server only <br />Note: This preference was previously known as <b>network.image.imageBehavior</b> prior to Firefox 1.5. </td></tr> <tr> <td> <b>pfs. datasource. url</b> </td><td> String </td><td> Determines where the plugin finder service should query for plugin information. Default value is pulled from chrome://mozapps/locale/plugins/plugins.properties </td></tr> <tr> <td> <b>places. frecency. *</b> </td><td> Integer </td><td> These prefs are used for the <a href="http://developer.mozilla.org/en/docs/The_Places_frecency_algorithm" class="external text" title="http://developer.mozilla.org/en/docs/The_Places_frecency_algorithm" rel="nofollow">frecency calculation process</a>. </td></tr> <tr> <td> <b>prefs. converted-to-utf8</b> </td><td> Boolean </td><td> <b>True</b>: The preferences have been converted to UTF-8; decode as appropriate <br /><b>False</b> (default): Opposite of the above </td></tr> <tr> <td> <b>roaming. default. files</b> </td><td> String </td><td> A comma-separated list of files that will be selected for roaming by default. Default value is <b>bookmarks.html,abook.mab,cookies.txt</b>. </td></tr> <tr> <td> <b>roaming. showInitialWarning</b> </td><td> Boolean </td><td> <b>True</b> (default): Display a general warning to the user about making backups, security, etc. <br /><b>False</b>: Opposite of the above </td></tr> <tr> <td> <b>signed. applets. codebase_principal_support</b> </td><td> Boolean </td><td> <b>True</b>: Give scripts using <a href="http://www.mozilla.org/projects/security/components/signed-scripts.html" class="external text" title="http://www.mozilla.org/projects/security/components/signed-scripts.html" rel="nofollow">codebase principals</a> access advanced scripting capabilities. Setting this preference to "true" is often used to allow IRC websites to gain access to the OS's clipboard at the expense of a security risk. <br /><b>False</b> (default): Only trusted/signed scripts can access advanced scripting capabilities <br />Note: <code>file:</code> and <code>resource:</code> schemes are considered "special" and may get extra capabilities regardless of this preference's setting. </td></tr> <tr> <td> <b>slider. snapMultiplier</b> </td><td> Integer </td><td> Determines the size of the scrollbar snapping region. Default value is <b>6</b> in Windows; <b>0</b> (disabled) in *nix. </td></tr> <tr> <td> <b><a href="http://kb.mozillazine.org/Startup.homepage_override_url" title="Startup.homepage override url"> startup . homepage_override_url</a></b> </td><td> String </td><td> The URL that Firefox goes to when the user starts up the browser after upgrading. In Firefox, defaults to <br />http://%LOCALE%.www.mozilla.com/ %LOCALE%/%APP%/%VERSION%/whatsnew/. </td></tr> <tr> <td> <b><a href="http://kb.mozillazine.org/Startup.homepage_welcome_url" title="Startup.homepage welcome url"> startup. homepage_welcome_url</a></b> </td><td> String </td><td> The URL that Firefox goes to when the user starts up the browser after the initial installation, or with a new profile. In Firefox, defaults to <br />http://%LOCALE%.www.mozilla.com/ %LOCALE%/%APP%/%VERSION%/firstrun/. </td></tr> <tr> <td> <b>svg. enabled</b> </td><td> Boolean </td><td> <b>True</b> (default): On SVG-enabled builds, enables internal SVG renderer, disables externals <br /><b>False</b>: Opposite of the above (see <a href="https://bugzilla.mozilla.org/show_bug.cgi?id=258511" class="external text" title="https://bugzilla.mozilla.org/show_bug.cgi?id=258511" rel="nofollow">bug 258511</a>) </td></tr> <tr> <td> <b><a href="http://kb.mozillazine.org/Urlclassifier.keyupdatetime.%2A" title="Urlclassifier.keyupdatetime.*"> urlclassifier. keyupdatetime. *</a></b> </td><td>Integer </td><td>Time stamps used by Safe Browsing in Firefox to record the latest updates downloaded and stored in <a href="http://kb.mozillazine.org/Urlclassifier2.sqlite" title="Urlclassifier2.sqlite">urlclassifier2.sqlite</a>. Downloading is controlled by <a href="http://kb.mozillazine.org/Browser.safebrowsing.remoteLookups" title="Browser.safebrowsing.remoteLookups">browser.safebrowsing.remoteLookups</a>. <br />See <a href="http://wiki.mozilla.org/Phishing_Protection" class="external text" title="http://wiki.mozilla.org/Phishing_Protection" rel="nofollow">Phishing Protection</a> in the Mozilla Wiki. </td></tr> <tr> <td> <b><a href="http://kb.mozillazine.org/Urlclassifier.tableversion.%2A" title="Urlclassifier.tableversion.*"> urlclassifier. tableversion. *</a></b> </td><td>String </td><td>Version numbers used by Safe Browsing in Firefox to record the latest updates downloaded. </td></tr> <tr> <td> <b>viewmanager. do_doublebuffering</b> </td><td> Boolean </td><td> Determines whether the viewmanager should do double-buffering by default (see <a href="https://bugzilla.mozilla.org/show_bug.cgi?id=169483" class="external text" title="https://bugzilla.mozilla.org/show_bug.cgi?id=169483" rel="nofollow">bug 169483</a>). <br /><b>True</b> (default): Do double-buffering <br /><b>False</b>: Opposite of the above </td></tr> <tr> <td> <b>wallet. caveat</b> </td><td> Boolean </td><td> Marks whether the user has been shown the warning message regarding security risks of using the <a href="http://kb.mozillazine.org/index.php?title=Wallet&amp;action=edit" class="new" title="Wallet">Wallet</a> feature. </td></tr></tbody></table> <!-- Saved in parser cache with key wiki:pcache:idhash:694-0!1!0!0!!en!2 and timestamp 20090311231344 --> <div class="printfooter"> Retrieved from "<a href="http://kb.mozillazine.org/About:config_entries">http://kb.mozillazine.org/About:config_entries</a>"</div> <div id="catlinks"><p class="catlinks"><a href="http://kb.mozillazine.org/index.php?title=Special:Categories&amp;article=About%3Aconfig_entries" title="Special:Categories">Categories</a>: <span dir="ltr"><a href="http://kb.mozillazine.org/Category:Configuration" title="Category:Configuration">Configuration</a></span> | <span dir="ltr"><a href="http://kb.mozillazine.org/Category:Preferences" title="Category:Preferences">Preferences</a></span></p></div> <div style='clear: both;'></div> </div> <div class='post-footer'> <div class='post-footer-line post-footer-line-1'><span class='post-author vcard'> Posted by <span class='fn'>cyber evangelist</span> </span> <span class='post-timestamp'> at <a class='timestamp-link' href='https://hackpress.blogspot.com/2009/03/mozilla-configuration-wizard-change.html' rel='bookmark' title='permanent link'><abbr class='published' title='2009-03-11T23:37:00-07:00'>11:37&#8239;PM</abbr></a> </span> <span class='post-comment-link'> <a class='comment-link' href='https://hackpress.blogspot.com/2009/03/mozilla-configuration-wizard-change.html#comment-form' onclick=''>0 comments</a> </span> <span class='post-icons'> <span class='item-control blog-admin pid-141904630'> <a 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