RFC 766 Internet Protocol Handbook Table of Contents Gateway Level Internet Datagram Protocol RFC-760 IEN-128 How to Build a Gateway IEN-109 Gateway Monitoring Protocol IEN-131 Host Level User Datagram Protocol IEN-88 Transmission Control Protocol RFC-761 IEN-129 Multiplexing Protocol IEN-90 Application Level Time Server Protocol IEN-142 Name Server Protocol IEN-116 Trivial File Transfer Protocol IEN-133 Telnet Protocol RFC-764 IEN-148 File Transfer Protocol RFC-765 IEN-149 Internet Message Protocol RFC-753 IEN-85 Appendices Assigned Numbers RFC-762 IEN-127 Protocol Options IEN-114 Address Mappings IEN-115 Document File Format Standards RFC-678 Mail Header Format Standards RFC-733 Postel