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- # Internet (IP) protocols
- #
- # Updated from http://www.iana.org/assignments/protocol-numbers and other
- # sources.
- # New protocols will be added on request if they have been officially
- # assigned by IANA and are not historical.
- # If you need a huge list of used numbers please install the nmap package.
- ip 0 IP # internet protocol, pseudo protocol number
- #hopopt 0 HOPOPT # IPv6 Hop-by-Hop Option [RFC1883]
- 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
- igp 9 IGP # any private interior gateway (Cisco)
- 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 [RFC905]
- xtp 36 XTP # Xpress Transfer Protocol
- ddp 37 DDP # Datagram Delivery Protocol
- idpr-cmtp 38 IDPR-CMTP # IDPR Control Message Transport
- ipv6 41 IPv6 # Internet Protocol, version 6
- 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 IPSEC-ESP # Encap Security Payload [RFC2046]
- ah 51 IPSEC-AH # Authentication Header [RFC2402]
- 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 CPHB # Radio Shortest Path First (officially CPHB)
- vmtp 81 VMTP # Versatile Message Transport
- eigrp 88 EIGRP # Enhanced Interior Routing Protocol (Cisco)
- ospf 89 OSPFIGP # Open Shortest Path First IGP
- ax.25 93 AX.25 # AX.25 frames
- ipip 94 IPIP # IP-within-IP Encapsulation Protocol
- etherip 97 ETHERIP # Ethernet-within-IP Encapsulation [RFC3378]
- encap 98 ENCAP # Yet Another IP encapsulation [RFC1241]
- # 99 # any private encryption scheme
- pim 103 PIM # Protocol Independent Multicast
- ipcomp 108 IPCOMP # IP Payload Compression Protocol
- vrrp 112 VRRP # Virtual Router Redundancy Protocol
- l2tp 115 L2TP # Layer Two Tunneling Protocol [RFC2661]
- isis 124 ISIS # IS-IS over IPv4
- sctp 132 SCTP # Stream Control Transmission Protocol
- fc 133 FC # Fibre Channel
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