protocols revision 1.1 1 #
2 # Internet (IP) protocols
3 #
4 # @(#)protocols 5.1 (Berkeley) 4/17/89
5 #
6 ip 0 IP # internet protocol, pseudo protocol number
7 icmp 1 ICMP # internet control message protocol
8 ggp 3 GGP # gateway-gateway protocol
9 tcp 6 TCP # transmission control protocol
10 egp 8 EGP # exterior gateway protocol
11 pup 12 PUP # PARC universal packet protocol
12 udp 17 UDP # user datagram protocol
13 hmp 20 HMP # host monitoring protocol
14 xns-idp 22 XNS-IDP # Xerox NS IDP
15 rdp 27 RDP # "reliable datagram" protocol
16