1In this directory are the various standards documents implemented in 2the pptp package. 3 4rfc791.txt Internet Protocol (IP). 5rfc793.txt Transmission Control Protocol (TCP). 6rfc1661.txt The Point-to-Point Protocol (PPP). 7rfc1662.txt PPP in HDLC-like Framing. (serial encoding). 8rfc1701.txt Generic Routing Encapsulation (GRE). 9rfc1702.txt Generic Routing Encapsulation over IPv4 networks. 10rfc1990.txt The PPP Multilink Protocol (MP). 11ms-chap.txt Microsoft PPP CHAP extensions. 12pptp-draft.txt July 1997 draft of the PPTP standard. 13 14rfc1990 is currently unimplemented in pptp 15 CSA, 12/12/97 16