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javascriptfirefoxfirefox-addonsigningadd-on

How can I disable signature checking for Firefox add-ons?

Since version 42, Firefox, by default, refuses to install unsigned add-ons. How do I disable this verification?

Solution

  • It is only possible to disable addons verification in Nightly and Developer channel. In other words it is not possible in Beta versions and standard releases.

    1. Go to about:config (enter it into address bar)
    2. Set xpinstall.signatures.required to false.

    More at https://wiki.mozilla.org/Addons/Extension_Signing