How to Set Up WireGuard VPN on Ubuntu 18.04
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WireGuard is a modern VPN (Virtual Private Network) technology with state-of-the-art cryptography. Compared to other similar solutions, such as IPsec and OpenVPN, WireGuard is faster, easier to configure, and more performant. It is a cross-platform and can run almost anywhere, including Linux, Windows, Android, and macOS. Wireguard is a peer-to-peer VPN; it does not use the client-server model. Depending on its configuration, a peer can act as a traditional server or client.
WireGuard works by creating a network interface on each peer device that acts as a tunnel. Peers authenticate each other by exchanging and validating public keys, mimicking the SSH model. Public keys are mapped with a list of IP addresses that are allowed in the tunnel. The VPN traffic is encapsulated in UDP.
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In this tutorial, we will set up WireGuard on an Ubuntu 18.04 machine that will act as a VPN server. We’ll also show you how to configure WireGuard as a client. The client’s traffic will be routed through the Ubuntu 18.04 server.
This setup can be used as a protection against Man in the Middle attacks, surfing the web anonymously, bypassing Geo-restricted content, or allowing your coworkers to connect securely to the company network when working remotely.
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