A VPN (Virtual Private Network) allows you to securely encrypt traffic on untrusted networks, such as those at a coffee shop, conference, or airport. IKEv2 (Internet Key Exchange v2) is a protocol that allows for direct IPSec tunneling between the server and client. In this tutorial, you’ll set up an IKEv2 VPN server using StrongSwan on your server. Choose your operating system below to get started.