This page serves to document connections commonly made by IronFox. It will explain the purpose of each connection, what data is shared, and how to disable (or override if applicable) the connection if desired.
Default Connections
These connections are made by default, out of the box.
Downloads configurations and databases for various functionality (blocklists, certificates, tracking protection, etc.)
Data Shared
User Agent, public IP address
Frequency
Hourly (services.settings.poll_interval)
Control
Set browser.ironfox.services.settings.allowedCollections to in about:config. NOT recommended to disable. Individual components can be disabled separately.
Browser version, locale, OS, OS architecture, OS version, User Agent, public IP address
Frequency
Hourly
Control
Set extensions.systemAddon.update.enabled to false in about:config. NOT recommended.
uBlock Origin
Attribute
Details
URL(s)
Multiple URLs including https://cdn.jsdelivr.net/, https://cdn.statically.io/, https://filters.adtidy.org/, https://gitlab.com/, https://raw.githubusercontent.com/, etc.
Operator
Various operators
Purpose
Downloads and updates for filterlists and other resources in uBlock Origin
Data Shared
User Agent, public IP address
Frequency
Periodically
Control
Disable or remove uBlock Origin from Advanced → Extensions → uBlock Origin in settings. NOT recommended.
Additional Connections
The following are optional, non-standard connections that IronFox might make, depending on the features you decide to use.
Serves as a fallback to provide geolocation when the system’s provider is unavailable
Data Shared
Strength and general information of nearby cellular towers and Wi-Fi networks (if available/supported), User Agent, public IP address
Frequency
When/if you grant a website permission to access your location and if your system’s geolocation provider is unavailable
Control
Simply don’t grant websites location permission, or set geo.provider.network.url to in about:config. Can also change provider by setting geo.provider.network.url to preferred URL.
DNS over HTTPS Provider Options
Available in Privacy and security → DNS over HTTPS → Choose provider:
