Blocked Sites

Supported on: Firefox 62 or later, Firefox 60.2 ESR or later

Registry

HKLM Software\Policies\Mozilla\Firefox\Permissions

HKCU Software\Policies\Mozilla\Firefox\Permissions

Options

List (registry values) list - list under Software\Policies\Mozilla\Firefox\Permissions\Notifications\Block

Description

If this policy is enabled, notifications are always blocked for the origins indicated. If this policy is disabled or not configured, notifications are not blocked by default.