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- # /etc/protocols
- #
- # Internet (IP) protocols definition file
- #
- # See protocols(5) for more info
- #
-
- 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
- ddp 37 DDP # Datagram Delivery Protocol
- idpr-cmtp 38 IDPR-CMTP # IDPR Control Message Transport
- ipv6 41 IPv6 # IPv6
- ipv6-route 43 IPv6-Route # Routing Header for IPv6
- ipv6-frag 44 IPv6-Frag # Fragment Header for IPv6
- idrp 45 IDRP # Inter-Domain Routing Protocol
- rsvp 46 RSVP # Reservation Protocol
- gre 47 GRE # General Routing Encapsulation
- esp 50 ESP # Encap Security Payload for IPv6
- ah 51 AH # Authentication Header for IPv6
- skip 57 SKIP # SKIP
- ipv6-icmp 58 IPv6-ICMP # ICMP for IPv6
- ipv6-nonxt 59 IPv6-NoNxt # No Next Header for IPv6
- ipv6-opts 60 IPv6-Opts # Destination Options for IPv6
- rspf 73 RSPF # Radio Shortest Path First.
- vmtp 81 VMTP # Versatile Message Transport
- ospf 89 OSPFIGP # Open Shortest Path First IGP
- ipip 94 IPIP # IP-within-IP Encapsulation Protocol
- encap 98 ENCAP # Yet Another IP encapsulation
- pim 103 PIM # Protocol Independent Multicast
-