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How do I remove a certificate exception I granted?


In Firefox for Android on my Samsung phone I granted a certificate exception to a site I trust. For testing I want to remove that exception but there doesn't seem to be a way to do that from the browser. How do I remove this security exception?

Related links: http://www.experts-exchange.com/Software/Internet_Email/Web_Browsers/Firefox/Q_25880667.html http://stackoverflow.com/questions/14981179/does-firefox-for-android-use-the-devices-certificate-store

Best solution I've found so far: Deleting the key3.db file which also nukes all your stored passwords.

Some meta data for searches: "You have added a security exception for this site", encrypted, certificate store, firefox, android, version 21.0

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  • User Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:21.0) Gecko/20100101 Firefox/21.0

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  • Top 10 Contributor
  • Moderator
10738 solutions 96600 answers

Can you find a cert8.db file or a cert_override.txt file in the profile folder?

Question owner

What is the path to Firefox on android? I'll keep searching but if you know it that might save time.

Modified by Tallbek

  • Top 25 Contributor
  • Moderator
247 solutions 1741 answers

Unless you have a rooted phone you'll need to reset Firefox. Either by uninstalling and re-installing or by using Android's application manager in the Android Settings.

If you have a rooted phone the path would be


Question owner

That's disappointing. I figured that if I can make a change via the GUI I should be able to revert that change via the GUI again. :\

Is providing a way to manage security exceptions on the roadmap for future versions of Firefox on Android?