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FireFox 3 extension security

As FireFox 3 (FF3) is now available as first public beta version at http://www.mozilla.com/en-US/firefox/all-beta.html, many users will realize that their add-ons don’t work any longer.
One possible cause is that the extension is provided through “insecure” update sites, i.e. not using HTTPS as transport protocol. To enable FireFox 3 loading updates from such sites, follow these steps:

  1. open about:config
  2. create new boolean value extensions.checkUpdateSecurity=false
  3. restart

This entry was posted on Thursday, November 22nd, 2007 at 10:56 am and is filed under FireFox. You can follow any responses to this entry through the RSS 2.0 feed. You can leave a response, or trackback from your own site.

3 Responses to “FireFox 3 extension security”

  1. Administrator Says:
    January 24th, 2008 at 10:55 am

    The second setting to use (if you want to get rid of the compatibility warning preventing you to run the extension) is extensions.checkCompatibility. Set to false to allow running any extension under any version.
    Use at your own risk…

  2. Daniel Says:
    February 22nd, 2008 at 3:09 pm

    I have about 20 extensions and only two could work.
    Is it possible that what you suggest can work for all of these?
    Have to try it out i guess.

  3. Administrator Says:
    April 27th, 2008 at 8:07 pm

    It does not mean that your extensions will necessarily work- but it does give you the option to try them on the new FireFox version before the officual plugin packages become available.

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