freebsd-dev/etc/protocols
Jun-ichiro itojun Hagino 7bb8e61105 added icmp6 and ip6. they are becoming common.
Source: ftp://ftp.isi.edu/in-notes/iana/assignments/protocol-numbers
1997-10-03 01:32:41 +00:00

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#
# Internet (IP) protocols
#
# $Id: protocols,v 1.6 1997/02/23 09:20:45 peter Exp $
# from: @(#)protocols 5.1 (Berkeley) 4/17/89
#
# Updated for FreeBSD based on RFC 1340, Assigned Numbers (July 1992).
#
ip 0 IP # internet protocol, pseudo protocol number
icmp 1 ICMP # internet control message protocol
igmp 2 IGMP # Internet Group Management
ggp 3 GGP # gateway-gateway protocol
ipencap 4 IP-ENCAP # IP encapsulated in IP (officially ``IP'')
st 5 ST # ST datagram mode
tcp 6 TCP # transmission control protocol
egp 8 EGP # exterior gateway protocol
pup 12 PUP # PARC universal packet protocol
udp 17 UDP # user datagram protocol
hmp 20 HMP # host monitoring protocol
xns-idp 22 XNS-IDP # Xerox NS IDP
rdp 27 RDP # "reliable datagram" protocol
iso-tp4 29 ISO-TP4 # ISO Transport Protocol class 4
xtp 36 XTP # Xpress Tranfer Protocol
idpr-cmtp 39 IDPR-CMTP # IDPR Control Message Transport
ip6 41 IPV6 # internet protocol version 6
rsvp 46 RSVP # Resource ReSerVation Protocol
icmp6 58 ICMPV6 # ICMP for IPv6
vmtp 81 VMTP # Versatile Message Transport
ospf 89 OSPFIGP # Open Shortest Path First IGP
ipip 94 IPIP # Yet Another IP encapsulation
encap 98 ENCAP # Yet Another IP encapsulation
divert 254 DIVERT # Divert pseudo-protocol