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How can I prevent my PC from connecting to the internet without a VPN connection? (leminal.space)

submitted 6 months ago* (last edited 6 months ago) by CorrodedCranium@leminal.space to c/linux4noobs@programming.dev

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I am running EndeavorOS with XFCE 4 and am using Mullvad as my VPN. To be clear I know Mullvad's client has a lockdown and kill switch mode but it seems like after updating it my PC is connecting to the internet without it. I could be mistaken but I don't think it's blocking anything at that point. I would likely have to wait until the next Mullvad update to test this for sure though. If someone can either confirm or deny my suspicions I would greatly appreciate it because I wouldn't have to find another work around.

All that said if that is the case, how can I prevent my PC from connecting to the internet when Mullvad is not running?

Maybe there's a simple option like binding the network manager to mullvad client application? Ideally I'd like to avoid either not using their client and using some thrown-together update script like

#!/bin/bash

xfce4-terminal --command="sudo pacman -Syu";

/opt/Mullvad VPN/mullvad-vpn";

Edit: Maybe it is connecting after the update but not showing the GUI. I came across this post on GitHub

I have a Mullvad desktop app set to launch on start-up. Also "Start minimized" is set to false. At the system start-up I get connected to the VPN, so the Mullvad daemon apparently starts, but no application window launches. I have to launch it manually.

I did not check to see if this was happening after I updated.

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[–] Lantern@lemmy.world 4 points 6 months ago (1 children)

Turning off WiFi is technically a solution. You won’t connect to WiFi without using a VPN. 🙃

[–] 1_4M_N008@programming.dev 1 points 5 months ago (1 children)

May I ask, how I can accomplish this?

I've tried with systemd service file, but I don't know yet how. Is there better solution?

I want to stop interface on shutdown, sleep and hibernate.

[–] Lantern@lemmy.world 1 points 5 months ago (1 children)

Not sure about how to automate it, but you could probably just flip the switch in the system tray. You could also tie it to a power profile.

I wasn’t really being serious with this reply. Your post seems to suggest you want to prevent wifi connection until a VPN connection is established. My suggestion was just to turn off wifi altogether due to some wordplay allowed from the title.

[–] 1_4M_N008@programming.dev 1 points 5 months ago

I will figure it out somehow

I need another service to stop on connection lose (e.g slow internet), any idea how?