Wireguard VPN - Road Warrior/Remote Access VPN with Wireguard and VyOS
There is a new kid of VPN is in town which is Wireguard . Recently it has been accepted into the linux kernel code. So, it may be soon that different vendor start implementing in their networking products. Today I will try to explore it from the perspective of running it as an alternative of SSL/L2TP/PPTP remote access vpn, for accessing central resources from a home network through wireguard vpn tunnel. It is called another name - road warrior setup. I will not go deep into how wireguard works. But introduce it briefly. Interested readers are welcome to google about it. Wireguard is based on UDP protocol and default port is 51820. It authentication is based on private/public key pair. Let's say we have two peers in our road warrior setup - one is wireguard client (remote user) and one is wireguard server (router/firewall running wireguard). A peer will encrypt data with is private key, then the receiving peer will decrypt the data using the sending peer's public key. So