Do not allow authentication preferences to be changed

Supported on: Firefox 71 or later, Firefox 68.3 ESR or later

Registry

HKLM Software\Policies\Mozilla\Firefox\Authentication

HKCU Software\Policies\Mozilla\Firefox\Authentication

Value name: Locked

Enabled: Locked = 1

Disabled: Locked = 0

Description

If this policy is disabled, authentication preferences can be changed by the user. If this policy is enabled or not configured, authentication preferences cannot be changed by the user.