Disable Private Browsing

If this policy is enabled, private browsing is not allowed.

If this policy is disabled or not configured, private browsing is allowed.

Supported on: Firefox 60 or later, Firefox 60 ESR or later
Registry HiveHKEY_LOCAL_MACHINE or HKEY_CURRENT_USER
Registry PathSoftware\Policies\Mozilla\Firefox
Value NameDisablePrivateBrowsing
Value TypeREG_DWORD
Enabled Value1
Disabled Value0

firefox.admx

Administrative Templates (Computers)

Administrative Templates (Users)