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\Microphone\Block

Description

If this policy is enabled, access to the microphone is blocked for the origins indicated. If this policy is disabled or not configured, access to the microphone is not blocked by default.