Workaround to make Estonian Smartcards work in Firefox 76+

This article is no longer maintained, so its content might be out of date.

This workaround has been tested on Windows computers only. It might not be needed on Linux and macOS.

Warning: These instructions are for experienced Firefox users. Changing settings in the Configuration Editor (about:config) can have serious effects on your browser’s stability, security and performance.
Only proceed if you are comfortable with advanced settings and understand the potential impacts.

  1. Type about:config in the address bar and press EnterReturn.
    A warning page may appear. Click Accept the Risk and Continue to go to the about:config page. (For more information about this page see Configuration Editor for Firefox.)
  2. Search for the security.osclientcerts.autoload preference and change its value from false to true by clicking the Toggle Fx71aboutconfig-ToggleButton button.
  3. Close the about:config Advanced Preferences tab.

(More technical details about this can be found in bug 1636100.)

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