Block new screen sharing requests
Supported on: Firefox 142 or later, Firefox 140.2 ESR or later
Registry
HKLM
Software\Policies\Mozilla\Firefox\Permissions\ScreenShare HKCU
Software\Policies\Mozilla\Firefox\Permissions\ScreenShare Value name: BlockNewRequests
Enabled: BlockNewRequests = 1
Disabled: BlockNewRequests = 0
Description
If this policy is enabled, sites that are not in the Allow policy cannot request screen sharing. If this policy is disabled or not configured, any site that is not in the Block policy can request screen sharing.