Wireguard MTU problems?

[apparatus]

@qun

yes, that works, both.

Then DNS is working properly.
Maybe it’s an issue with MTU. Did you try to add this firewall rule?

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…

@qun

by the way, where can I set allowed IPs in the network-manager? Can not see this setting