プロトコル番号とプロトコル名の対応(protocols)
tcpdumpコマンドの入力や表示で使用されるプロトコル番号とプロトコル名の対応
IPプロトコルは以下のテキストで定義されています。各行の要素は、「プロトコル名」「プロトコル番号」「エイリアス」「用途（コメント）」となります。
# $NetBSD: protocols,v 1.13.2.1 2006/12/02 12:56:02 bouyer Exp $ # # Internet (IP) protocols # # originally from: @(#)protocols 8.1 (Berkeley) 6/9/93 # see http://www.iana.org/assignments/protocol-numbers # ip 0 IP # internet protocol, pseudo protocol number icmp 1 ICMP # internet control message protocol igmp 2 IGMP # internet group management protocol 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 cbt 7 CBT egp 8 EGP # exterior gateway protocol igp 9 IGP # any private interior gateway protocol bbn-rcc-mon 10 BBN-RCC-MON # BBN RCC Monitoring nvp-ii 11 NVP-II # Network Voice Protocol pup 12 PUP # PARC universal packet protocol argus 13 ARGUS emcon 14 EMCON xnet 15 XNET # Cross net debugger chaos 16 CHAOS # Chaos udp 17 UDP # user datagram protocol mux 18 MUX # Multiplexing dcn-meas 19 DCN-MEAS # DCN Measurement Subsystems hmp 20 HMP # host monitoring protocol prm 21 PRM # Packet Radio Measurement xns-idp 22 XNS-IDP # Xerox NS IDP trunk-1 23 TRUNK-1 trunk-2 24 TRUNK-2 leaf-1 25 LEAF-1 leaf-2 26 LEAF-2 rdp 27 RDP # reliable data protocol irtp 28 IRTP # Internet Reliable Transaction iso-tp4 29 ISO-TP4 # ISO Transport Protocol Class 4 netblt 30 NETBLT # Bulk Data Transfer Protocol mfe-nsp 31 MFE-NSP # MFE Network Services Protocol merit-inp 32 MERIT-INP # MERIT Internodal Protocol sep 33 SEP # Sequential Exchange Protocol 3pc 34 3PC # Third Party Connect Protocol idpr 35 IDPR # Inter-Domain Policy Routing Protocol xtp 36 XTP # Xpress Transfer Protocol ddp 37 DDP # Datagram Delivery Protocol idpr-cmtp 38 IDPR-CMTP # IDPR Control Message Transport tp++ 39 TP++ # TP++ Transport Protocol il 40 IL # IL Transport Protocol ipv6 41 IPv6 # Internet Protocol, version 6 sdrp 42 SDRP # Source Demand Routing Protocol 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 # Resource ReSerVation Protocol gre 47 GRE # General Routing Encapsulation mhrp 48 MHRP # Mobile Host Routing Protocol bna 49 BNA esp 50 ESP # Encapsulating Security Payload ah 51 AH # Authentication Header i-nlsp 52 I-NLSP # Integrated Net Layer Security swipe 53 SWIPE # IP with Encryption narp 54 NARP # NBMA Address Resolution Protocol mobile 55 MOBILE # IP Mobility (IP tunneling) tlsp 56 TLSP # Transport Layer Security Protocol skip 57 SKIP ipv6-icmp 58 IPv6-ICMP icmp6 # ICMP version 6 ipv6-nonxt 59 IPv6-NoNxt # No Next Header for IPv6 ipv6-opts 60 IPv6-Opts # Destination Options for IPv6 # 61 # any host internal protocol cftp 62 CFTP # CFTP # 63 # any local network sat-expak 64 SAT-expak # SATNET and Backroom EXPAK kryptolan 65 KRYPTOLAN # Kryptolan rvd 66 RVD # MIT Remote Virtual Disk Protocol ippc 67 IPPC # Internet Pluribus Packet Core # 68 # any distributed file system sat-mon 69 SAT-MON # SATNET Monitoring visa 70 VISA # VISA Protocol ipcv 71 IPCV # Internet Packet Core Utility cpnx 72 CPNX # Computer Protocol Network Executive cphb 73 CPHB # Computer Protocol Heart Beat wsn 74 WSN # Wang Span Network pvp 75 PVP # Packet Video Protocol br-sat-mon 76 BR-SAT-MON # Backroom SATNET Monitoring sun-nd 77 SUN-ND # SUN ND PROTOCOL-Temporary wb-mon 78 WB-MON # WIDEBAND Monitoring wb-expak 79 WB-EXPAK # WIDEBAND EXPAK iso-ip 80 ISO-IP # ISO Internet Protocol vmtp 81 VMTP # Versatile Message Transport secure-vmtp 82 SECURE-VMTP # SECURE-VMTP vines 83 VINES ttp 84 TTP nsfnet-igp 85 NSFNET-IGP dgp 86 DGP # Dissimilar Gateway Protocol tcf 87 TCF eigrp 88 EIGRP # Enhanced Inter-Gateway Routing Protocol ospf 89 OSPFIGP # Open Shortest Path First IGP sprite-rpc 90 Sprite-RPC # Sprite RPC Protocol larp 91 LARP # Locus Address Resolution Protocol mtp 92 MTP # Multicast Transport Protocol ax.25 93 AX.25 # AX.25 Frames ipip 94 IPIP # Yet Another IP encapsulation micp 95 MICP # Mobile Internetworking Control Pro. scc-sp 96 SCC-SP # Semaphore Communications Sec. Pro. etherip 97 ETHERIP # Ethernet-within-IP Encapsulation encap 98 ENCAP # RFC1241 encapsulation # 99 # any private encryption scheme gmtp 100 GMTP ifmp 101 IFMP # Ipsilon Flow Management Protocol pnni 102 PNNI # PNNI over IP pim 103 PIM # Protocol Independent Multicast aris 104 ARIS scps 105 SCPS qnx 106 QNX a/n 107 A/N # Active Networks ipcomp 108 IPCOMP # IP Payload Compression Protocol snp 109 SNP # Sitara Networks Protocol compaq-peer 110 Compaq-Peer # Compaq Peer Protocol ipx-in-ip 111 IPX-in-IP # IPX in IP carp 112 CARP vrrp # Virtual Router Redundancy Protocol pgm 113 PGM # PGM Reliable Transport Protocol # 114 # any 0-hop protocol l2tp 115 L2TP # Layer Two Tunneling Protocol ddx 116 DDX # D-II Data Exchange (DDX) iatp 117 IATP # Interactive Agent Transfer Protocol stp 118 STP # Schedule Transfer Protocol srp 119 SRP # SpectraLink Radio Protocol uti 120 UTI smp 121 SMP # Simple Message Protocol sm 122 SM ptp 123 PTP # Performance Transparency Protocol isis 124 ISIS # IS-IS over IPv4 fire 125 FIRE crtp 126 CRTP # Combat Radio Transport Protocol crudp 127 CRUDP # Combat Radio User Datagram sscopmce 128 SSCOPMCE iplt 129 IPLT sps 130 SPS # Secure Packet Shield pipe 131 PIPE # Private IP Encapsulation within IP sctp 132 SCTP # Stream Control Transmission Protocol fc 133 FC # Fibre Channel rsvp-e2e-ignore 134 RSVP-E2E-IGNORE mobility-header 135 MOBILITY-HEADER # Mobility Header udplite 136 UDPLite mpls-in-ip 137 MPLS-in-IP # MPLS in IP # 138-254 # Unassigned # 255 # Reserved