Brave and Vivaldi don't connect to internet with mullvad vpn

[whoami]

This Qubes 4.2 guide should work for you:

Mullvad VPN App 4.2 setup guide

Intro This guide explains how to setup a a VPN with Mullvad app on Qubes OS 4.2 using a Fedora template. Mullvad app is open source and they provide repositories for fedora / debian, there are no documentation to deploy the App, only an official page explaining how to setup WireGuard, or a community guide for Mullvad WireGuard without the App The App supports OpenVPN and WireGuard tunnels. Bridge support is available for OpenVPN and WireGuard has obfuscation available, these features are usefu…

If you want a non-GUI setup I would recommend this wireguard guide:

Wireguard VPN setup

Good news, with fedora-38 the network manager supports Wireguard out of the box! The only thing required are extra firewall rules in the VPN qube, as explained in the community documentation about VPN. What you’ll need This guide assumes you are using a VPN service that has wireguard support, most of them do, but you can also add your own if you have a server. ProtonVPN has a free plan, it has limits but gives you a fully working VPN and they support WireGuard. This pro…

In this guide you will also find a very simple solution for VPN harding:

Wireguard VPN setup

Good news, with fedora-38 the network manager supports Wireguard out of the box! The only thing required are extra firewall rules in the VPN qube, as explained in the community documentation about VPN. What you’ll need This guide assumes you are using a VPN service that has wireguard support, most of them do, but you can also add your own if you have a server. ProtonVPN has a free plan, it has limits but gives you a fully working VPN and they support WireGuard. This pro…