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Can't set Firefox (29.0.1) to "Do not want to be tracked". It always reverts to "Do not tell sites anything about mu trackinf preferences".

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The "Do Not Track" setting does not work in Firefox 29.0.1. It always reverts to "Do not tell sites anything about mu trackinf preferences".

The "Do Not Track" setting does not work in Firefox 29.0.1. It always reverts to "Do not tell sites anything about mu trackinf preferences".

Chosen solution

How do these prefs show on the about:config page?

Did you try to delete the prefs.js file and possible user.js file to reset all prefs?

Did you check for issues caused by extensions?

Can't you change this setting at all or does it only revert when you close close and restart Firefox or when you reboot the computer?

Read this answer in context 0

Additional System Details

Installed Plug-ins

  • Google Update
  • Shockwave Flash 13.0 r0
  • The QuickTime Plugin allows you to view a wide variety of multimedia content in Web pages. For more information, visit the QuickTime Web site.
  • iTunes Detector Plug-in
  • 5.1.30214.0
  • McAfee MSS+ NPAPI Plugin
  • Picasa plugin
  • Next Generation Java Plug-in 10.51.2 for Mozilla browsers
  • NPRuntime Script Plug-in Library for Java(TM) Deploy
  • Adobe PDF Plug-In For Firefox and Netscape 10.1.9
  • RealPlayer(tm) LiveConnect-Enabled Plug-In
  • RealPlayer Download Plugin
  • Adobe Shockwave for Director Netscape plug-in, version 12.0.4.144
  • RealNetworks(tm) RealDownloader Chrome Background Extension Plug-In
  • RealNetworks(tm) RealDownloader PepperFlashVideoShim Plug-In
  • RealNetworks(tm) RealDownloader HTML5VideoShim Plug-In
  • RealDownloader Plugin
  • WildTangent Games App V2 Presence Detector
  • npsitesafety
  • NPWLPG
  • Windows Presentation Foundation (WPF) plug-in for Mozilla browsers

Application

  • Firefox 29.0.1
  • User Agent: Mozilla/5.0 (Windows NT 6.0; WOW64; rv:29.0) Gecko/20100101 Firefox/29.0
  • Support URL: https://support.mozilla.org/1/firefox/29.0.1/WINNT/en-US/

Extensions

  • Adblock Plus 2.6 ({d10d0bf8-f5b5-c8b4-a8b2-2b9879e08c5d})
  • AOL Toolbar 5.74.1.9980 ({7affbfae-c4e2-4915-8c0f-00fa3ec610a1})
  • Troubleshooter 1.1a (troubleshooter@mozilla.org)
  • HP Smart Web Printing 4.0 (smartwebprinting@hp.com) (Inactive)
  • Microsoft .NET Framework Assistant 0.0.0 ({20a82645-c095-46ed-80e3-08825760534b}) (Inactive)
  • RealDownloader 1.3.3 ({DF153AFF-6948-45d7-AC98-4FC4AF8A08E2}) (Inactive)
  • Skype Click to Call 6.13.0.13771 ({82AF8DCA-6DE9-405D-BD5E-43525BDAD38A}) (Inactive)

Javascript

  • incrementalGCEnabled: True

Graphics

  • adapterDescription: Mobile Intel(R) 4 Series Express Chipset Family
  • adapterDescription2:
  • adapterDeviceID: 0x2a42
  • adapterDeviceID2:
  • adapterDrivers: igdumd64 igd10umd64
  • adapterDrivers2:
  • adapterRAM: Unknown
  • adapterRAM2:
  • adapterVendorID: 0x8086
  • adapterVendorID2:
  • direct2DEnabled: False
  • direct2DEnabledMessage: [u'tryNewerDriver', u'8.1500.1000.2202']
  • directWriteEnabled: False
  • directWriteVersion: 7.0.6002.23200
  • driverDate: 9-2-2008
  • driverDate2:
  • driverVersion: 7.15.10.1554
  • driverVersion2:
  • info: {u'AzureCanvasBackend': u'skia', u'AzureFallbackCanvasBackend': u'cairo', u'AzureContentBackend': u'cairo', u'AzureSkiaAccelerated': 0}
  • isGPU2Active: False
  • numAcceleratedWindows: 0
  • numAcceleratedWindowsMessage: [u'tryNewerDriver', u'7.1500.1000.1666']
  • numTotalWindows: 1
  • webglRendererMessage: [u'tryNewerDriver', u'7.1500.1000.1666']
  • windowLayerManagerRemote: False
  • windowLayerManagerType: Basic

Modified Preferences

  • browser.cache.disk.capacity: 358400
  • browser.cache.disk.smart_size.first_run: False
  • browser.cache.disk.smart_size.use_old_max: False
  • browser.cache.disk.smart_size_cached_value: 358400
  • browser.newtab.url: http://www.aol.com/?mtmhp=hyplogusaolp00000084&tb_uuid=C18877A461B1576387549D21033296D6
  • browser.places.smartBookmarksVersion: 6
  • browser.sessionstore.upgradeBackup.latestBuildID: 20140506152807
  • browser.startup.homepage: http://www.aol.com/?mtmhp=hyplogusaolp00000003
  • browser.startup.homepage_override.buildID: 20140506152807
  • browser.startup.homepage_override.mstone: 29.0.1
  • dom.mozApps.used: True
  • extensions.lastAppVersion: 29.0.1
  • keyword.URL:
  • network.cookie.prefsMigrated: True
  • network.dns.disableIPv6: True
  • network.dnsCacheEntries: 20
  • network.dnsCacheExpiration: 60
  • network.http.connect.timeout: 30
  • network.http.keep-alive: True
  • network.http.keep-alive.timeout: 300
  • network.http.max-connections: 256
  • network.http.max-connections-per-server: 8
  • network.http.max-persistent-connections-per-proxy: 8
  • network.http.max-persistent-connections-per-server: 4
  • network.http.pipelining: False
  • network.http.pipelining.maxrequests: 4
  • network.http.proxy.keep-alive: True
  • network.http.proxy.pipelining: True
  • network.prefetch-next: True
  • network.protocol-handler.warn-external.dnupdate: False
  • places.history.expiration.transient_current_max_pages: 104812
  • plugin.disable_full_page_plugin_for_types: application/pdf
  • plugin.importedState: True
  • privacy.sanitize.migrateFx3Prefs: True

Misc

  • User JS: Yes
  • Accessibility: No
cor-el
  • Top 10 Contributor
  • Moderator
17567 solutions 158896 answers

Do-not-track is now a three state setting and is controlled by two prefs: one to enable/disable the DNT header and another to determine its value.

  • privacy.donottrackheader.enabled (false)
  • privacy.donottrackheader.value (1)

Your System Details list shows that you have a user.js file in the profile folder to initialize prefs each time Firefox starts.

The user.js file is only present if you or other software has created this file and normally it wouldn't be there. You can check its content with a plain text editor (right-click: Open with) if you didn't create this file yourself.

The user.js file is read each time Firefox is started and initializes preferences to the value specified in this file, so preferences set via user.js can only be changed temporarily for the current session.

You can use this button to go to the currently used Firefox profile folder:

  • Help > Troubleshooting Information > Profile Directory: Show Folder (Linux: Open Directory; Mac: Show in Finder)
Do-not-track is now a three state setting and is controlled by two prefs: one to enable/disable the DNT header and another to determine its value. *privacy.donottrackheader.enabled (false) *privacy.donottrackheader.value (1) ---- Your System Details list shows that you have a user.js file in the profile folder to initialize prefs each time Firefox starts. The user.js file is only present if you or other software has created this file and normally it wouldn't be there. You can check its content with a plain text editor (right-click: Open with) if you didn't create this file yourself. The user.js file is read each time Firefox is started and initializes preferences to the value specified in this file, so preferences set via user.js can only be changed temporarily for the current session. *http://kb.mozillazine.org/Preferences_not_saved You can use this button to go to the currently used Firefox profile folder: *Help > Troubleshooting Information > Profile Directory: Show Folder (Linux: Open Directory; Mac: Show in Finder)

Question owner

Didn't work, even with multiple tries. Fix Firefox...

Didn't work, even with multiple tries. Fix Firefox...
cor-el
  • Top 10 Contributor
  • Moderator
17567 solutions 158896 answers

Chosen Solution

How do these prefs show on the about:config page?

Did you try to delete the prefs.js file and possible user.js file to reset all prefs?

Did you check for issues caused by extensions?

Can't you change this setting at all or does it only revert when you close close and restart Firefox or when you reboot the computer?

How do these prefs show on the about:config page? Did you try to delete the prefs.js file and possible user.js file to reset all prefs? Did you check for issues caused by extensions? *https://support.mozilla.org/kb/Troubleshooting+extensions+and+themes Can't you change this setting at all or does it only revert when you close close and restart Firefox or when you reboot the computer?