Exceptions to blocked websites

Supported on: Firefox 60 or later, Firefox 60 ESR or later

Registry

HKLM Software\Policies\Mozilla\WebsiteFilter\Exceptions

HKCU Software\Policies\Mozilla\WebsiteFilter\Exceptions

Options

List (registry values) list - list under Software\Policies\Mozilla\Firefox\WebsiteFilter\Exceptions

Description

If this policy is enabled, and the website filter is enabled, you can specify match patterns for sites you do not want to block. The match patterns are documented at https://developer.mozilla.org/en-us/Add-ons/WebExtensions/Match_patterns. There is a 1000 entry limit. If this policy is disabled or not configured, there are no exceptions to the website filter.