A directory of the Internet Engineering Task Force groups in these areas: applications, general, Internet, operations and management, routing, security, transport, and user services.
This PKIX draft defines two profiles for the use of X.509 AttributeCertificates to provide authorization support for protocols like TLS, CMS and their consumers, and others.
The IETF is a large, open, and international community of Internet professionals concerned with the evolution of the Internet architecture and the smooth operation of the Internet.