Block new requests asking to access the microphone

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

Registry

HKLM Software\Policies\Mozilla\Firefox\Permissions\Microphone

HKCU Software\Policies\Mozilla\Firefox\Permissions\Microphone

Value name: BlockNewRequests

Enabled: BlockNewRequests = 1

Disabled: BlockNewRequests = 0

Description

If this policy is enabled, sites that are not in the Allow policy will not be allowed to ask permission to access the microphone. If this policy is disabled or not configured, any site that is not in the Block policy can ask permission to access the microphone.