Information
This feature enables Mozilla Firefox to retrieve a list of blocked applications from the server.
Rationale:
Enabling Mozilla to access the list of blocked applications mitigates the risk of installing a known malicious application.
Impact:
None - This is the default behavior.
Solution
To establish the recommended configuration, set extensions.blocklist.enabled to true:
Type about:config in the address bar
Type extensions.blocklist.enabled in the filter
Ensure the setting is set as prescribed.
OR
Open the mozilla.cfg file in the installation directory with a text editor
Add the following lines to mozilla.cfg:
lockPref('extensions.blocklist.enabled', true);
Default Value:
True