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Firefox one hour behind the Windows 11 clock

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Hello everyone,

I posted my issue on the french speaking forum a few days ago https://forums.mozfr.org/viewtopic.php?t=153652&sid=96223ded5b326b4da4114d4c0fb4b740 I think I've had this bug since the last update of Firefox. I have checked on other browsers (Edge and Opera), and I have no problem with them. Its also ok on my mobile phone ... with Firefox !

Thank you for your attention and any help you can provide.

Regards Damien

Hello everyone, I posted my issue on the french speaking forum a few days ago [http://example.com https://forums.mozfr.org/viewtopic.php?t=153652&sid=96223ded5b326b4da4114d4c0fb4b740] I think I've had this bug since the last update of Firefox. I have checked on other browsers (Edge and Opera), and I have no problem with them. Its also ok on my mobile phone ... with Firefox ! Thank you for your attention and any help you can provide. Regards Damien
Attached screenshots

Modified by damien-france

Chosen solution

If you have enabled "Resist Fingerprinting", set this pref in about:config to false to disable this feature.

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All Replies (8)

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Chosen Solution

If you have enabled "Resist Fingerprinting", set this pref in about:config to false to disable this feature.

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Hello cor-el,

Thank you very much for your reply.

It's really interesting and makes me wonder if installing a VPN has anything to do with my problem. I recently installed Cyberghost and used it for a week (it is no longer installed). And if I remember correctly, I had identified "Resist Fingerprinting" in the "Privacy Guards" options package, Firefox tab ... I'll check these options in Firefox and let you know the results.

Kind regards

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To my personal understanding, why are the "Resist Fingerprinting (RFP)" settings different between the "application settings" (top right menu in Firefox), and "about:config"?

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Thanks again for your precious help, this did indeed solve my clock issue. I guess this option will be fix in a future update?

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You can disable privacy.resistFingerprinting and instead use the new Enhanced Tracking Protection feature to block Known and Suspected fingerprinters (see Settings -> Privacy & Security). This feature is by default only enabled in PB mode, so you need to select all windows This pref should be set to true

  • about:config => privacy.fingerprintingProtection -> true
  • privacy.fingerprintingProtection.overrides -> +AllTargets,-JSDateTimeUTC

If you disable Tracking Protection for a site, then it will also disable fingerprinting protection.

(edited to remove a trailing dot)

Modified by cor-el

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I think Firefox configuration is correct now. One last question please, do I need the "." in "+AllTargets,-JSDateTimeUTC."

Modified by damien-france

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You need to leave out the appended dot, sorry about the confusion

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No problem, I was good :p And thanks for all your effort

Take care