this post was submitted on 11 Feb 2025
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Privacy
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You can use GBoard and block telemetry behind a firewall or not giving the app internet access if your OS support that feature. Personnaly I prefer using FOSS such as HeliBoard !
The only realtime active firewall I can find for Android is NetGuard, but because of the way Android works it uses a VPN connection.
I guess what I am saying is that running an active firewall 24/7 on an Android device isn't practical for most people, and blocking connections at the router level only works until you leave home, unless you set up your phone to automatically VPN back to your house when your phone disconnects from your home wi-fi.
But yeah, FUTO and Heliboard are both excellent!
Rethink DNS is both a firewall and a VPN
although, it is kinda buggy, my Mullvad VPN wireguard config in Rethink DNS app failed for some reason and it defaulted to passing the traffic through my real ip 🤦♂️
GrapheneOS let you disable internet access permission before installing an app. I think you can disable it on OnePlus too but after installing the app. Probably other manufacters has this feature in their Android flavors. But yes running NetGuard isn't ideal in many scenarios.
Oh right! And I forgot that an app called AfWall+ also blocks network connections on a per-app basis and can be active all the time. There's even a magisk module called 'afwall boot antileak' so that nothing gets network access before AfWall does.
Futo. It has the best suggestions for me, even if (all) miss some deep customizations