The Internet Protocol Control Protocol (IPCP) configures, enables, and disables the IP protocol modules on both ends of the point-to-point link.
The RFC for IPCP is stored by the Internet Engineering Task Force (IETF).
For information on IPCP, see RFC 1332: The PPP Internet Protocol Control Protocol (IPCP).
For Microsoft licensing information, see Published Protocols and Royalty-Free License on Microsoft Developer Network (MSDN).