1 # Internet (IP) protocols 2 # 3 # Updated from http://www.iana.org/assignments/protocol-numbers and other 4 # sources. 5 # New protocols will be added on request if they have been officially 6 # assigned by IANA and are not historical. 7 # If you need a huge list of used numbers please install the nmap package. 8 9 ip 0 IP # internet protocol, pseudo protocol number 10 #hopopt 0 HOPOPT # IPv6 Hop-by-Hop Option [RFC1883] 11 icmp 1 ICMP # internet control message protocol 12 igmp 2 IGMP # Internet Group Management 13 ggp 3 GGP # gateway-gateway protocol 14 ipencap 4 IP-ENCAP # IP encapsulated in IP (officially ``IP'') 15 st 5 ST # ST datagram mode 16 tcp 6 TCP # transmission control protocol 17 egp 8 EGP # exterior gateway protocol 18 igp 9 IGP # any private interior gateway (Cisco) 19 pup 12 PUP # PARC universal packet protocol 20 udp 17 UDP # user datagram protocol 21 hmp 20 HMP # host monitoring protocol 22 xns-idp 22 XNS-IDP # Xerox NS IDP 23 rdp 27 RDP # "reliable datagram" protocol 24 iso-tp4 29 ISO-TP4 # ISO Transport Protocol class 4 [RFC905] 25 xtp 36 XTP # Xpress Transfer Protocol 26 ddp 37 DDP # Datagram Delivery Protocol 27 idpr-cmtp 38 IDPR-CMTP # IDPR Control Message Transport 28 ipv6 41 IPv6 # Internet Protocol, version 6 29 ipv6-route 43 IPv6-Route # Routing Header for IPv6 30 ipv6-frag 44 IPv6-Frag # Fragment Header for IPv6 31 idrp 45 IDRP # Inter-Domain Routing Protocol 32 rsvp 46 RSVP # Reservation Protocol 33 gre 47 GRE # General Routing Encapsulation 34 esp 50 IPSEC-ESP # Encap Security Payload [RFC2406] 35 ah 51 IPSEC-AH # Authentication Header [RFC2402] 36 skip 57 SKIP # SKIP 37 ipv6-icmp 58 IPv6-ICMP # ICMP for IPv6 38 ipv6-nonxt 59 IPv6-NoNxt # No Next Header for IPv6 39 ipv6-opts 60 IPv6-Opts # Destination Options for IPv6 40 rspf 73 RSPF CPHB # Radio Shortest Path First (officially CPHB) 41 vmtp 81 VMTP # Versatile Message Transport 42 eigrp 88 EIGRP # Enhanced Interior Routing Protocol (Cisco) 43 ospf 89 OSPFIGP # Open Shortest Path First IGP 44 ax.25 93 AX.25 # AX.25 frames 45 ipip 94 IPIP # IP-within-IP Encapsulation Protocol 46 etherip 97 ETHERIP # Ethernet-within-IP Encapsulation [RFC3378] 47 encap 98 ENCAP # Yet Another IP encapsulation [RFC1241] 48 # 99 # any private encryption scheme 49 pim 103 PIM # Protocol Independent Multicast 50 ipcomp 108 IPCOMP # IP Payload Compression Protocol 51 vrrp 112 VRRP # Virtual Router Redundancy Protocol 52 l2tp 115 L2TP # Layer Two Tunneling Protocol [RFC2661] 53 isis 124 ISIS # IS-IS over IPv4 54 sctp 132 SCTP # Stream Control Transmission Protocol 55 fc 133 FC # Fibre Channel 56 udplite 136 UDPLite # UDP-Lite 57 mpls-in-ip 137 MPLS-in-IP # MPLS-in-IP [RFC4023] 58 manet 138 # MANET Protocols 59 hip 139 HIP # Host Identity Protocol 60
