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Preferences
===========
This document describes preferences affecting Firefox's IP Protection.
These preferences are normally hidden and should not be used unless you really
know what you are doing.
Feature enablement and experiments
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
``browser.ipProtection.enabled`` (boolean, default: ``false``)
Master feature toggle controlled by Nimbus and testing harnesses.
``browser.ipProtection.userEnabled`` (boolean, default: ``false``)
For testing; simulates user‑enabled state.
``browser.ipProtection.added`` (boolean, default: ``false``)
Tracks whether the toolbar button was auto-placed next to the FxA button.
Once true, the widget is not reinserted automatically after manual removal.
Startup and caching
~~~~~~~~~~~~~~~~~~~
``browser.ipProtection.autoStartEnabled`` (boolean, default: ``false``)
Enables the auto-start helper so the proxy connects during browser startup.
``browser.ipProtection.stateCache`` (string, default: ``""``)
Caches the latest ``IPProtectionStates`` value for use during startup.
``browser.ipProtection.entitlementCache`` (string, default: ``""``)
Cached entitlement JSON string used during startup to avoid network requests.
``browser.ipProtection.locationListCache`` (string, default: ``""``)
Cached Guardian location list shared between ``IPProtectionService`` and
``GuardianClient``.
``browser.ipProtection.cacheDisabled`` (boolean, default: ``false``)
Turns off all startup caches. Used primarily by xpcshell tests.
Networking and routing
~~~~~~~~~~~~~~~~~~~~~~
``browser.ipProtection.guardian.endpoint`` (string, default: ``"https://vpn.mozilla.org/"``)
Endpoint for the server‑side infrastructure.
``browser.ipProtection.productVpn.endpoint`` (string, default: ``"https://www.mozilla.org/"``)
Endpoint for the production mozilla webservice.
``browser.ipProtection.mode`` (integer, default: ``0``)
Selects which requests are proxied by ``IPPChannelFilter``:
``0`` routes all traffic (``MODE_FULL``), ``1`` only private browsing windows
(``MODE_PB``), ``2`` only requests classified as tracking (``MODE_TRACKER``).
``browser.ipProtection.override.serverlist`` (string)
A JSON Payload that overrides the server list. Follows the Remote-Settings Schema.
UI Features
~~~~~~~~~~~
``browser.ipProtection.bandwidth.enabled`` (boolean, default: ``false``)
Controls whether bandwidth usage information is displayed in the status panel.
``browser.ipProtection.egressLocationEnabled`` (boolean, default: ``false``)
Controls whether the VPN egress location is displayed in the status panel.
Diagnostics
~~~~~~~~~~~
``browser.ipProtection.log`` (boolean, default: ``false``)
Enable/disable logging.
``browser.ipProtection.everOpenedPanel`` (boolean, default: ``false``)
Tracks if the user has ever opened the VPN panel
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