HttpsOnlyMode

Configure HTTPS-Only Mode.

Compatibility: Firefox 127
CCK2 Equivalent: N/A
Preferences Affected: dom.security.https_only_mode

Values

Value	Description
allowed	HTTPS-Only Mode is off by default, but the user can turn it on.
disallowed	HTTPS-Only Mode is off and the user can't turn it on.
enabled	HTTPS-Only Mode is on by default, but the user can turn it off.
force_enabled	HTTPS-Only Mode is on and the user can't turn it off.

Windows (GPO)

Software\Policies\Mozilla\Firefox\HttpsOnlyMode = "allowed", "disallowed", "enabled", "force_enabled"

Windows (Intune)

OMA-URI:

./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox/HttpsOnlyMode

Value (string):

<enabled/>
<data id="HttpsOnlyMode" value="allowed | disallowed | enabled | force_enabled"/>

macOS

<dict>
  <key>HttpsOnlyMode</key>
  <string>allowed | disallowed | enabled | force_enabled</string>
</dict>

policies.json

{
  "policies": {
    "HttpsOnlyMode": "allowed" | "disallowed" | "enabled" | "force_enabled"
  }
}