Comments on How to Setup IKEv2 VPN Using Strongswan and Letsencrypt on Ubuntu

Strongswan is an open source multiplatform IPSec implementation. It's IPSec-based VPN solution that focuses on strong authentication method and mechanism, offers support for both IKEv1 and IKEv2 key exchange protocols, authentication based on X.509 certificates or pre shared keys, and secure IKEv2 EAP user authentication.