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diff --git a/content/blog/2023-01-23-random-mullvad-wireguard.md b/content/blog/2023-01-23-random-mullvad-wireguard.md new file mode 100644 index 0000000..e4ba58d --- /dev/null +++ b/content/blog/2023-01-23-random-mullvad-wireguard.md @@ -0,0 +1,116 @@ ++++ +date = 2023-01-23 +title = "Connecting to a Random Mullvad Wireguard Host on Boot" +description = "Learn how to connect to a random Mullvad Wireguard host on boot." ++++ + +## Mullvad Wireguard + +If you're using an OS that does not support one of Mullvad's apps, +you're likely using the Wireguard configuration files instead. + +If not, the first step is to visit Mullvad's [Wireguard configuration +files](https://mullvad.net/en/account/#/wireguard-config) page and +download a ZIP of the configuration files you want to use. + +Personally, I downloaded all configuration files across the world and +chose my connections using the script below. + +Once the files are downloaded, unzip them and move them to your +preferred location: + +```sh +cd Downloads +unzip mullvad_wireguard_linux_all_all.zip +mkdir ~/mullvad && mv ~/Downloads/*.conf ~/mullvad/ +``` + +## Creating a Script to Connect to a Random Host + +Once you have a folder of Wireguard configuration files from Mullvad, +you can create a script to randomly connect to any one of the locations. + +Start by creating a shell script - mine is called `vpn.sh`. + +```sh +nano ~/vpn.sh +``` + +Within this script, you can paste the following info. Note that I +specify `us-*` in my script, which means that it will only +consider US-based VPN locations. You can alter this or simply change it +`*` to consider all locations. + +```sh +#!/bin/sh + +ls /home/$USER/mullvad/us-* |sort -R |tail -n 1 |while read file; do + # Replace `doas` with `sudo` if your machine uses `sudo`, + # or remove `doas` if users don't need to su to run wg-quick + doas wg-quick up $file; + printf "\nCreated Mullvad wireguard connection with file: $file"; + printf "\n\nPrinting new IP info:\n" + curl https://am.i.mullvad.net/connected +done +``` + +Once you've modified the script to your liking, add executable +permissions and run the script: + +```sh +chmod +x ~/vpn.sh +~/vpn.sh +``` + +The output should look like the following: + +```txt +doas (user@host) password: + +# ... The script will process all of the iptables and wg commands here + +Created Mullvad wireguard connection with file: /home/user/mullvad/us-nyc-wg-210.conf + +Printing new IP info: +You are connected to Mullvad (server country-city-wg-num). Your IP address is 12.345.678.99 +``` + +That's all there is to it. You can see your new location and IP via the +`printf` and `curl` commands included in the +script. + +You can also go to the [Connection Check \| +Mullvad](https://mullvad.net/en/check/) page to see if you are fully +connected to Mullvad and if any leaks exist. + + + +## Disconnecting from the Wireguard Connection + +If you forget which connection you're using, you can execute the +following command to see where Wireguard is currently connected: + +```sh +wg show +``` + +This command will show you the Wireguard interfaces and should output a +connection like so: `interface: us-lax-wg-104`. + +Once you have this, just disconnect using that files' full path: + +```sh +wg-quick down /home/user/mullvad/us-lax-wg-104.conf +``` + +I have a TODO item on figuring out how to easily export an environment +variable that contains the configuration file's full name, so that I +can just execute the following: + +```sh +# Ideal situation if I can export the $file variable to the environment +wg-quick down $file +``` + +If you have an idea on how to do this, email me! |