With systemd-networkd /etc/systemd/network/dev Įndpoint=: /etc/systemd/network/work įor basic kill-switch functionality you can use iptables to block all outgoing connections except those with fwmark 0x8888: Mullvad has provided a shell script to automate this process - with a caveat: the automatically generated configuration files do not contain kill switches, which need to be manually added if you so desire. You might want to verify that the private and public keys are correct and corresponds with what you got from your VPN provider: Make sure the connection is listed when you run nmcli: To actually start the WireGuard tunnel, issue command: # nmcli connection delete connection_name If you at any point want to delete the connection, issue the command: If the file was called WG1.conf a connection called WG1 should have been added. # nmcli connection import type wireguard file configuration_file To add a WireGuard connection from a config-file, issue following command in terminal: With these configuration files you can use the terminal interface of NetworkManager, nmcli. Unzip the file you downloaded to get one or several configuration files depending on your selections in step 3. Fill out step 3 on the website and download the file. In a terminal, issue the following command to generate a private key:Ĭlick on "Manage keys" on the Mullvad WireGuard-config page, and insert the private key you just generated into the field that says "Enter private key", and click on "import key". Choose Linux as platform, then click generate key to generate a public key. Log in to Mullvad with your account and then go to the Wireguard-config page. To enable a Kill Switch function to prevent data leakage in case the VPN connection goes down, you can use iptables as explained in the Mullvad OpenVPN on Linux page, under Enabling a Kill Switch. The script can be kept updated with the openvpn-update-resolv-conf script, which also contains a fix for DNS leaks.Īfter configuration the VPN connection can be managed with If the service fails to start with an error like Cannot open TUN/TAP dev /dev/net/tun: No such device (errno=19), you might need to reboot the system to enable OpenVPN creating the correct network device for the task. # mv /etc/openvpn/client/update-resolv-conf /etc/openvpn/ This script is also included in the Mullvad configuration zipfile, but should be moved to /etc/openvpn/ to match the path specified in the Mullvad configuration file: In order to use the nameservers supplied by Mullvad, update-resolv-conf script is being called upon starting and stopping the connection with OpenVPN to modify nf to include the correct IP addresses. # mv /etc/openvpn/client/mullvad_nf /etc/openvpn/client/nf Rename mullvad_nf for a shorter name to be used with the systemd service later: Note: Make sure to generate Android/ChromeOS and not Linux configurations in the Mullvad website. See OpenVPN#NetworkManager-native VPN configuration. From here you can either use the NetworkManager front-ends when using NetworkManager, or you can use systemd to start it automatically at boot. Mind you, using dnsmasq together with the Mullvad app will result in poorer performance as NetworkManager cannot manage per-interface configs via dnsmasq.įirst make sure the packages openvpn and openresolv are installed, then proceed to download Mullvad's OpenVPN configuration file package from their website (under the "other platforms" tab) and unzip the downloaded file to /etc/openvpn/client/. Follow the steps under DNS_caching_and_conditional_forwarding. No matter if you opt for OpenVPN or WireGuard, if you use NetworkManager you may want to set up dnsmasq to decrease DNS-lookup times and also decreasing risk of DNS leakages. However, using OpenVPN may be preferable since for instance the GNOME GUI can handle OpenVPN graphically, which makes it easy to see that the VPN is being used, or switching between VPN servers. Mullvad themselves advise to use WireGuard. Mullvad supports the OpenVPN and WireGuard protocols. If you do not want to use the Mullvad app you can set it up manually with standard Linux software. The new official GUI client is available as mullvad-vpn AUR.Īfter installation, you will need to start/enable rvice.Īlternatively you can use the old client or either OpenVPN or WireGuard with a configuration file for Mullvad as explained in #Manual configuration.
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