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protocols revision 1.6 
      1 #	$NetBSD: protocols,v 1.6 1998/05/11 18:55:13 fair Exp $
      2 #
      3 # Internet (IP) protocols
      4 #
      5 #	originally from: @(#)protocols	8.1 (Berkeley) 6/9/93
      6 #	see http://www.isi.edu/in-notes/iana/assignments/protocol-numbers
      7 #	likely to move to http://www.iana.org/ one of these days
      8 #
      9 ip	0	IP		# internet protocol, pseudo protocol number
     10 icmp	1	ICMP		# internet control message protocol
     11 igmp	2	IGMP		# internet group management protocol
     12 ggp	3	GGP		# gateway-gateway protocol
     13 ipencap	4	IP-ENCAP	# IP encapsulated in IP (officially ``IP'')
     14 st	5	ST		# ST datagram mode
     15 tcp	6	TCP		# transmission control protocol
     16 egp	8	EGP		# exterior gateway protocol
     17 pup	12	PUP		# PARC universal packet protocol
     18 udp	17	UDP		# user datagram protocol
     19 hmp	20	HMP		# host monitoring protocol
     20 xns-idp	22	XNS-IDP		# Xerox NS IDP
     21 rdp	27	RDP		# reliable data protocol
     22 iso-tp4	29	ISO-TP4		# ISO Transport Protocol Class 4
     23 xtp	36	XTP		# Xpress Tranfer Protocol
     24 idpr-cmtp	39	IDPR-CMTP	# IDPR Control Message Transport
     25 ipv6	41	IPv6		# Internet Protocol, version 6
     26 rsvp	46	RSVP		# Resource ReSerVation Protocol
     27 esp	50	ESP		# Encapsulating Security Payload
     28 ah	51	AH		# Authentication Header
     29 icmpv6	58	ICMPV6		# Internet Control Message Protocol version 6
     30 iso-ip	80	ISO-IP		# ISO Internet Protocol
     31 vmtp	81	VMTP		# Versatile Message Transport
     32 ospf	89	OSPFIGP		# Open Shortest Path First IGP
     33 ipip	94	IPIP		# Yet Another IP encapsulation
     34 encap	98	ENCAP		# RFC1241 encapsulation
     35 pim	103	PIM		# Protocol Independent Multicast
     36