Block new screen sharing requests: registry value BlockNewRequestsUserHKCU\Software\Policies\Mozilla\Firefox\Permissions\ScreenShare

Policy ID: ScreenShare_BlockNewRequests
Scope: Computer Configuration, User Configuration
Supported on: Firefox 142 or later, Firefox 140.2 ESR or later
Source: Mozilla Firefox Policy Templates (version 8.3)
Category: Mozilla › Firefox › Permissions › Screen Sharing

Registry

BlockNewRequests

REG_DWORDUserComputer

…\Software\Policies\Mozilla\Firefox\Permissions\ScreenShareHKCU\Software\Policies\Mozilla\Firefox\Permissions\ScreenShare Current key
HKLM\Software\Policies\Mozilla\Firefox\Permissions\ScreenShare

Enabled value: 1
Disabled value: 0

Apply with .reg · CMD · PowerShell

UserPer-account setting

.reg

Windows Registry Editor Version 5.00

[HKEY_CURRENT_USER\Software\Policies\Mozilla\Firefox\Permissions\ScreenShare]

; Options (use only one)
; Enabled
"BlockNewRequests"=dword:00000001
; Disabled
"BlockNewRequests"=dword:00000000

CMD

:: Options (use only one)

:: Enabled
reg add "HKCU\Software\Policies\Mozilla\Firefox\Permissions\ScreenShare" /v "BlockNewRequests" /t REG_DWORD /d 1 /f
:: Disabled
reg add "HKCU\Software\Policies\Mozilla\Firefox\Permissions\ScreenShare" /v "BlockNewRequests" /t REG_DWORD /d 0 /f

PowerShell

# Common: create the key
New-Item -Path 'HKCU:\Software\Policies\Mozilla\Firefox\Permissions\ScreenShare' -Force | Out-Null

# Options (use only one)
# Enabled
New-ItemProperty -Path 'HKCU:\Software\Policies\Mozilla\Firefox\Permissions\ScreenShare' -Name 'BlockNewRequests' -PropertyType DWord -Value 1 -Force | Out-Null
# Disabled
New-ItemProperty -Path 'HKCU:\Software\Policies\Mozilla\Firefox\Permissions\ScreenShare' -Name 'BlockNewRequests' -PropertyType DWord -Value 0 -Force | Out-Null

ComputerMachine-wide setting

.reg

Windows Registry Editor Version 5.00

[HKEY_LOCAL_MACHINE\Software\Policies\Mozilla\Firefox\Permissions\ScreenShare]

; Options (use only one)
; Enabled
"BlockNewRequests"=dword:00000001
; Disabled
"BlockNewRequests"=dword:00000000

CMD

:: Options (use only one)

:: Enabled
reg add "HKLM\Software\Policies\Mozilla\Firefox\Permissions\ScreenShare" /v "BlockNewRequests" /t REG_DWORD /d 1 /f
:: Disabled
reg add "HKLM\Software\Policies\Mozilla\Firefox\Permissions\ScreenShare" /v "BlockNewRequests" /t REG_DWORD /d 0 /f

PowerShell

# Common: create the key
New-Item -Path 'HKLM:\Software\Policies\Mozilla\Firefox\Permissions\ScreenShare' -Force | Out-Null

# Options (use only one)
# Enabled
New-ItemProperty -Path 'HKLM:\Software\Policies\Mozilla\Firefox\Permissions\ScreenShare' -Name 'BlockNewRequests' -PropertyType DWord -Value 1 -Force | Out-Null
# Disabled
New-ItemProperty -Path 'HKLM:\Software\Policies\Mozilla\Firefox\Permissions\ScreenShare' -Name 'BlockNewRequests' -PropertyType DWord -Value 0 -Force | Out-Null