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eduvpn / android

Android eduVPN application
https://play.google.com/store/apps/details?id=nl.eduvpn.app&hl=en
GNU General Public License v3.0
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Android 13 always on prevents disabling VPN #362

Closed ghost closed 2 years ago

ghost commented 2 years ago

It seems when using the eduVPN 3.0.0 app on Android 13 (GrapheneOS) it is not possible to disable the VPN anymore. When switching off the toggle (to disconnect) the VPN stays active. Also closing the app does not stop the VPN.

Settings -> Network & Internet -> VPN -> eduVPN

"Always on" is activated there. If you disable the toggle there "Always-on VPN" the VPN gets disconnected.

What should happen: if you disconnect in the eduVPN app the VPN should be deactivated.

jwijenbergh commented 2 years ago

Disconnecting works for me on a Pixel 6, stock ROM & also android 13. I do get a weird "connecting..." state (just hangs there) but not sure if that has to do with the always-on vpn setting because I am not sure how to reproduce it.

ghost commented 2 years ago

Seems to be fixed in the latest version: https://grapheneos.org/releases#2022080300

Weird stuff.

ghost commented 2 years ago

Okay, not fixed, I guess I once manually disabled "always on" under VPN and then it was okay. I'm not sure we can do anything about this.

When calling /disconnect the VPN config is invalided on the server, so always on definitely won't work anymore after that...

ghost commented 2 years ago

For "normal" VPN providers this is not a problem of course as your config will remain valid indefinitely (until you stop your subscription).

ghost commented 2 years ago

This needs to be manually fixed by disabling 'always on' VPN then all is good.

eduVPN/LC is not compatible with "always on" as the /disconnect call will invalidate the config on the server. So one should not call /disconnect in the case of always on, which means to never toggle off the VPN.

ghost commented 2 years ago

This is GrapheneOS specific, they default to 'always on'