Using Rethink DNS app btw, I want to use a firewall and VPN at the same time on Android. Wtf?!?
So my IP has somehow just been leaking all this time...
Edit: Typo
this post was submitted on 11 Feb 2025
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you are doing nothing wrong. To my knowledge, there is no effective firewall app for android that doesn't occupy the VPN connection. From my understanding, you either have a VPN or a firewall. I have found no work around for both that was effective.
I mean, Rethink DNS was working, then it broke. ๐
I mean, I switched to a different wireguard config and it seems to work, I'll see if it breaks in a few days...
I have a strange bug where RethinkDNS wireguard session keeps failling after a while if my phone is not used for a while.
I have to reconnect my wireguard session or it just doesn't work. I need to ADB and check the logs to see what's happening and write some kind of bug report to rethink's DNS bug tracking support.
It's not the first time they have some kind of misbehave with their firewall and wireguard tunnel. Other than that, RethinkDNS rocks !!
yes, but actually no.
there are apps (like rethink DNS) that pack multiple functions in the app. if an app is being used to handle a VPN connection, it gets to process all your network traffic, see for each packet which app does it belong to, and can do both firewalling, split tunneling by app or type of traffic, and can also filter packets. most VPN apps just don't bother with it because its a complex task, and most users wouldn't use it anyway.
There's also AFWall+ that can configure the kernel's firewall with root permissions, without setting itself up to handle a V0N connection.
both of these apps are available on f-droid
Same, that's why I stopped using rethink a while ago, even though I loved it.
I use tasker. Is SSID name "my home SSID name"?
Yes: disable wireguard
No: enable wireguard
Always on vpn. I have no need to use these other VPNs like everyone else is, but if I were I'd set that up on my opnsense firewall at home. That way everything in my network, and my phone's when away from home, are all tunnelled through the VPN provider. Opnsense does all the content filtering and security stuff well enough for my needs.