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- #
- # Internet Protocol Database
- #
- # This file contains information regarding the known protocols used
- # in the Internet. For each protocol a single line should be present
- # with the following information:
- #
- # official protocol name
- # protocol number
- # aliases
- #
- # Items are separated by any number of blanks and/or tab characters.
- # A ``#'' indicates the beginning of a comment; characters up to the
- # end of the line are not interpreted by routines which search the file.
- #
- # Protocol names may contain any printable character other than a field
- # delimiter, newline, or comment character.
- #
- # Note: the following entries are valid and should not be changed:
-
- 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
- rsvp 46 RSVP # Resource ReSerVation Protocol
- vmtp 81 VMTP # Versatile Message Transport
- ospf 89 OSPFIGP # Open Shortest Path First IGP
-