what is wireguard

WireGuard is a free and open-source software application and communication protocol that implements virtual private network (VPN) techniques to create secure point-to-point connections in routed or bridged configurations. It was designed with the goals of ease of use, high performance, and low attack surface. It uses state-of-the-art cryptography and is designed to be efficient, lightweight, and secure. WireGuard is rapidly gaining popularity as a VPN solution due to its speed, simplicity, and security.