OPNSense with a NordVPN tunnel for clients

NordVPN does not provide support for native router configurations using the WireGuard protocol. NordLynx, which has been developed by NordVPN, is fundamentally based on the WireGuard VPN protocol. It is possible to establish a NordVPN WireGuard tunnel for the router, and to enable the router to offer NordVPN to its clients. Here's how I configured NordVPN on OPNSense version 25.7... 

Ubuntu - VPN with Wireguard server and client setup

Here's how to install wireguard on Ubuntu, and to configure it as a server.

And setup the iOS wireguard client....