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How do you turn on the do not track feature?

  • 10 replies
  • 546 have this problem
  • Last reply by WebHybrid

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According to an article in USA Today, Firefox has a "do not track" feature that keeps third parties for knowing what sites I visit. How do you turn this on?

All Replies (10)

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Go to Tools|Options|Privacy and uncheck "Accept third-party cookies.

You may also want to install the add-ons "Ghostery" and "Better Privacy."

Ghostery detects and blocks tracking cookies. Better Privacy does the same for Macromedia flash cookies.


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From within "Options", go to "Advanced", and under the "General" tab check "Tell web sites I do not want to be tracked". That is the feature they are talking about, and it is only available in Firefox 4.

Modified by arbn

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Firefox 4.0.1 doesn't seem to have an "Options" choice under TOOLS. What now?

Please advise.

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You're probably using it on a Mac, like me? Go to File > Preferences.

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AlFeldzamen, if using the new style UI, click the orange Firefox button on Windows or grey Firefox button on Linux, you can then click on Options/Preferences.

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Note that selecting that do-not-track setting will only make Firefox send a specific HTTP header (DNT=1) to a web server. It is up to the server to do something with that request.

Firefox (Tools) > Options > Advanced > General: "Tell web sites I do not want to be tracked"

  • privacy.donottrackheader.enabled -> Header: HTTP_DNT: 1
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If you want to activate in Firefox 5 ,just go to option>privacy> tell websites i do not want to be tracked

if you to activate in Firefox 4 ,just go to option > advanced > browsing > tell websites i do not want to be tracked (mark it )

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The option “Tell web sites I do not want to be tracked” is grayed out in my Firefox 6.02. (See screen capture.) Anyone know how to make it available?

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Maybe an extension is locking that setting (preference="privacy.donottrackheader.enabled").

Start Firefox in Diagnose Firefox issues using Troubleshoot Mode to check if one of the extensions is causing the problem (switch to the DEFAULT theme: Firefox (Tools) > Add-ons > Appearance/Themes).

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Thanks cor-el.

Without using the Safe Mode, after my earlier post, I searched through about:config using the term track. This reminded me, I have the add-on called DoNotTrackPlus 1.0. Its description showing in the Add-ons Manager is: "Take control over the DoNotTrack header," which could account for the graying out of the built-in option.

My about:config search results are in the screen cap below, and the two indicated entries - one with value false and the other with true - would seem to support the idea that the add-on has replaced the built-in function. If I'm right, then nothing is really wrong here??

Also, wouldn't this account for the anti-malware Super AntiSpyware always finding the same set of "tracking cookies" when I do an on-demand scan? I remove the cookies and then they're back the next time... these would be "do not track" cookies generated by the add-on every time the browser launches? (Eventually I unchecked Super AntiSpyware's option to look for tracking cookies.)