Binary package “strongswan-charon” in ubuntu jammy

strongSwan Internet Key Exchange daemon

 The strongSwan VPN suite uses the native IPsec stack in the standard
 Linux kernel. It supports both the IKEv1 and IKEv2 protocols.
 .
 charon is an IPsec IKEv2 daemon which can act as an initiator or a responder.
 It is written from scratch using a fully multi-threaded design and a modular
 architecture. Various plugins can provide additional functionality.