HTTPS-Only Mode

Supported on: Firefox 127 or later

Registry

HKLM Software\Policies\Mozilla\Firefox
HKCU Software\Policies\Mozilla\Firefox

Options

HttpsOnlyMode enum
  • Off by default -> allowed
  • Off and locked -> disallowed
  • On by default -> enabled
  • On and locked -> force_enabled

Description

If this policy is enabled, you can set the default behavior for HTTPS-Only Mode. If this policy is disabled or not configured, HTTPS-Only Mode is not enabled.