2.2.3 Extended Hello Messages

 

The TLS extended hello message behavior and formatting SHOULD<10> be as specified in [RFC5246] section 7.4.1.4, [RFC4366] sections 2.3 and 3.1, [RFC3546] section 2.3, [RFC4681] section 2,<11> [RFC5077],<12> [RFC7301],<13> and [IETFDRAFT-TOKBND].<14> It MAY<15> be as specified in [NPN].