Aiken & Driscoll: The Illustrated TLS 1.3 Connection.
In this demonstration a client connects to a server, negotiates a TLS 1.3 session, sends "ping", receives "pong", and then terminates the session.
In this demonstration a client connects to a server, negotiates a TLS 1.3 session, sends "ping", receives "pong", and then terminates the session.