this post was submitted on 01 Nov 2024
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I've set up a phone with Rethink DNS as a permanent VPN, so nothing can come through, I tried putting KDE Connect in the Bypass Universal list, but it still fails to discover devices on the network and in turn it can't be discovered by others itself.
I tried without VPN active and it all works, of course. Is it possible for the 2 to coexist? If so, what settings should I change?

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[–] [email protected] 8 points 1 month ago* (last edited 1 month ago) (3 children)

if you use Android's built-in setting to set up DNS instead of using an app that uses the VPN slot, you might have more success.

also, you might want toggling "block connections without VPN" off in system settings, I had to disable it when using KDE Connect with Mullvad.

[–] [email protected] 3 points 1 month ago (1 children)

Right, the Mullvad app now has a warning that Android's "block connections without VPN" disables both split tunneling and local network discovery. So it must be off when using KDE connect.

[–] [email protected] 1 points 1 month ago* (last edited 1 month ago)

Yes, I believe the issue comes from that(edit: tried disabling it and it was indeed that), ideally one would keep that setting on, I guess there's no internal Android setting to exclude on an app by app basis unfortunately

[–] [email protected] 1 points 1 month ago

Ich think you need to turn the blocker off. It seems to block anything not going through the VPN, even if the VPN allows to configure exceptions.

[–] [email protected] 1 points 1 month ago* (last edited 1 month ago) (1 children)

I'd like to use Rethink DNS (forcefully set to DNS+Firewall) because it keeps a record on-device of the connections that apps tried to establish. So as I understand it's not possible to have both then?

[–] [email protected] 1 points 1 month ago (1 children)
[–] [email protected] 2 points 1 month ago

It's a great project yes!

[–] [email protected] 4 points 1 month ago (1 children)

I also have Rethink as a permenant VPN. I set KDE Connect to 'excluded' and it works for me.

[–] [email protected] 1 points 1 month ago (1 children)

Do you also have "Block connections without VPN" on like this?

VPN settings on Android for Rethink DNS, showing 2 toggles "Always-on VPN" and "Block connections without VPN", both enabled

[–] [email protected] 2 points 1 month ago

No I don't, that does seem to conflict with exclude

[–] [email protected] 2 points 1 month ago

Sounds like a problem specific to RethinkDNS. The by-pass setting on my VPN provider works great. I didn't have to do anything else.

[–] [email protected] 2 points 1 month ago (1 children)

Turning on "Block connections without VPN options" will not make KDE connect work. Your solution is, either to keep this setting turned off, or use Rethink using another device. By using another device, I mean, set up Rethink either on your router, or maybe an old Android with Rethink installed and using using it as a hotspot with "Allow clients to use VPN" option (which is available on LineageOS, but not on GrapheneOS). Or you can also set up something like piHole.

[–] [email protected] 1 points 1 month ago* (last edited 1 month ago)

Turning on "Block connections without VPN options" will not make KDE connect work

I did do that in conjunction with bypass set for KDE connect only and it works. I find the other options you suggested really cool though! Might give them a shot.
Also didn't know about the share VPN thing, I've wanted that for so long! Weird Graphene doesn't have it as well