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If I already have a VPN always on on my system, do I need to set up a gluetun container? (lemmy.dbzer0.com)

submitted 2 months ago by [email protected] to c/[email protected]

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I honestly can't get my head around this. I have a machine with Linux (endeavouros), and docker with a few containers. Since I want all the traffic from this system to go through the VPN, do I need to set up gluetun? I think not, but I am not 100% sure...

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[–] [email protected] 1 points 2 months ago* (last edited 2 months ago)

Yes, there's many ways to make programs unable to use other network interfaces. E.g. I'm creating a network namespace with a single wg0 interface, which I make services use through systemd NetworkNamespacePath.

That said, I'd argue gluetun is pretty much foolproof, especially with most people using docker which messes with iptables (edit: although I don't know if this'd be an issue for this use case).