http://www.rfc-editor.org/rfc/rfc7171.txt
RFC 7171: PT-EAP: Posture Transport (PT) Protocol for Extensible Authentication Protocol (EAP) Tunnel Methods, N. Cam-Winget, P. Sangster2014-05-01T23:00:00-00:00This document specifies PT-EAP, a Posture Transport (PT) protocol based on the Extensible Authentication Protocol (EAP) and designed to be used only inside an EAP tunnel method protected by Transport Layer Security (TLS). The document also describes the intended applicability of PT-EAP.