1# $NetBSD: protocols,v 1.31 2021/04/08 19:03:43 christos Exp $ 2# See also: protocols(5), http://www.sethwklein.net/projects/iana-etc/ 3# 4# Last Updated 5# 2021-02-26 6# 7# Available Formats 8# [IMG] 9# XML [IMG] 10# HTML [IMG] 11# Plain text 12# 13# Registry included below 14# 15# * Assigned Internet Protocol Numbers 16# 17# Assigned Internet Protocol Numbers 18# 19# Registration Procedure(s) 20# 21# IESG Approval or Standards Action 22# 23# Reference 24# [RFC5237][RFC7045] 25# 26# Note 27# 28# In the Internet Protocol version 4 (IPv4) [RFC791] there is a field 29# called "Protocol" to identify the next level protocol. This is an 8 30# bit field. In Internet Protocol version 6 (IPv6) [RFC8200], this field 31# is called the "Next Header" field. 32# 33# 34# Note 35# 36# Values that are also IPv6 Extension Header Types should be listed in the 37# IPv6 Extension Header Types registry at [IANA registry ipv6-parameters]. 38# 39# 40# Available Formats 41# [IMG] 42# CSV 43# 44# Decimal Keyword Protocol IPv6 Extension Reference 45# Header 46# protocol num aliases # comments 47hopopt 0 HOPOPT # IPv6 Hop-by-Hop Option Y [RFC8200] 48icmp 1 ICMP # Internet Control Message [RFC792] 49igmp 2 IGMP # Internet Group Management [RFC1112] 50ggp 3 GGP # Gateway-to-Gateway [RFC823] 51ipv4 4 IPv4 # IPv4 encapsulation [RFC2003] 52st 5 ST # Stream [RFC1190][RFC1819] 53tcp 6 TCP # Transmission Control [RFC793] 54cbt 7 CBT # CBT [Tony_Ballardie] 55egp 8 EGP # Exterior Gateway Protocol [RFC888][David_Mills] 56# any private interior gateway 57igp 9 IGP # (used by Cisco for their [Internet_Assigned_Numbers_Authority] 58# IGRP) 59bbn-rcc-mon 10 BBN-RCC-MON # BBN RCC Monitoring [Steve_Chipman] 60nvp-ii 11 NVP-II # Network Voice Protocol [RFC741][Steve_Casner] 61# [Boggs, D., J. Shoch, E. Taft, and R. Metcalfe, "PUP: An Internetwork 62pup 12 PUP # PUP Architecture", XEROX Palo Alto Research Center, CSL-79-10, July 1979; 63# also in IEEE Transactions on Communication, Volume COM-28, Number 4, 64# April 1980.][[XEROX]] 65argus 13 ARGUS # (deprecated) ARGUS [Robert_W_Scheifler] 66emcon 14 EMCON # EMCON [<mystery contact>] 67xnet 15 XNET # Cross Net Debugger [Haverty, J., "XNET Formats for Internet Protocol Version 4", IEN 158, 68# October 1980.][Jack_Haverty] 69chaos 16 CHAOS # Chaos [J_Noel_Chiappa] 70udp 17 UDP # User Datagram [RFC768][Jon_Postel] 71mux 18 MUX # Multiplexing [Cohen, D. and J. Postel, "Multiplexing Protocol", IEN 90, 72# USC/Information Sciences Institute, May 1979.][Jon_Postel] 73dcn-meas 19 DCN-MEAS # DCN Measurement Subsystems [David_Mills] 74hmp 20 HMP # Host Monitoring [RFC869][Bob_Hinden] 75prm 21 PRM # Packet Radio Measurement [Zaw_Sing_Su] 76# ["The Ethernet, A Local Area Network: Data Link Layer and Physical Layer 77# Specification", AA-K759B-TK, Digital Equipment Corporation, Maynard, MA. 78# Also as: "The Ethernet - A Local Area Network", Version 1.0, Digital 79# Equipment Corporation, Intel Corporation, Xerox Corporation, September 80xns-idp 22 XNS-IDP # XEROX NS IDP 1980. And: "The Ethernet, A Local Area Network: Data Link Layer and 81# Physical Layer Specifications", Digital, Intel and Xerox, November 1982. 82# And: XEROX, "The Ethernet, A Local Area Network: Data Link Layer and 83# Physical Layer Specification", X3T51/80-50, Xerox Corporation, Stamford, 84# CT., October 1980.][[XEROX]] 85trunk-1 23 TRUNK-1 # Trunk-1 [Barry_Boehm] 86trunk-2 24 TRUNK-2 # Trunk-2 [Barry_Boehm] 87leaf-1 25 LEAF-1 # Leaf-1 [Barry_Boehm] 88leaf-2 26 LEAF-2 # Leaf-2 [Barry_Boehm] 89rdp 27 RDP # Reliable Data Protocol [RFC908][Bob_Hinden] 90irtp 28 IRTP # Internet Reliable [RFC938][Trudy_Miller] 91# Transaction 92iso-tp4 29 ISO-TP4 # ISO Transport Protocol Class [RFC905][<mystery contact>] 93# 4 94netblt 30 NETBLT # Bulk Data Transfer Protocol [RFC969][David_Clark] 95# MFE Network Services [Shuttleworth, B., "A Documentary of MFENet, a National Computer 96mfe-nsp 31 MFE-NSP # Protocol Network", UCRL-52317, Lawrence Livermore Labs, Livermore, California, 97# June 1977.][Barry_Howard] 98merit-inp 32 MERIT-INP # MERIT Internodal Protocol [Hans_Werner_Braun] 99dccp 33 DCCP # Datagram Congestion Control [RFC4340] 100# Protocol 1013pc 34 3PC # Third Party Connect Protocol [Stuart_A_Friedberg] 102idpr 35 IDPR # Inter-Domain Policy Routing [Martha_Steenstrup] 103# Protocol 104xtp 36 XTP # XTP [Greg_Chesson] 105ddp 37 DDP # Datagram Delivery Protocol [Wesley_Craig] 106idpr-cmtp 38 IDPR-CMTP # IDPR Control Message [Martha_Steenstrup] 107# Transport Proto 108tp++ 39 TP++ # TP++ Transport Protocol [Dirk_Fromhein] 109il 40 IL # IL Transport Protocol [Dave_Presotto] 110ipv6 41 IPv6 # IPv6 encapsulation [RFC2473] 111sdrp 42 SDRP # Source Demand Routing [Deborah_Estrin] 112# Protocol 113ipv6-route 43 IPv6-Route # Routing Header for IPv6 Y [Steve_Deering] 114ipv6-frag 44 IPv6-Frag # Fragment Header for IPv6 Y [Steve_Deering] 115idrp 45 IDRP # Inter-Domain Routing [Sue_Hares] 116# Protocol 117rsvp 46 RSVP # Reservation Protocol [RFC2205][RFC3209][Bob_Braden] 118gre 47 GRE # Generic Routing [RFC2784][Tony_Li] 119# Encapsulation 120dsr 48 DSR # Dynamic Source Routing [RFC4728] 121# Protocol 122bna 49 BNA # BNA [Gary Salamon] 123esp 50 ESP # Encap Security Payload Y [RFC4303] 124ah 51 AH # Authentication Header Y [RFC4302] 125i-nlsp 52 I-NLSP # Integrated Net Layer [K_Robert_Glenn] 126# Security TUBA 127swipe 53 SWIPE # (deprecated) IP with Encryption [John_Ioannidis] 128narp 54 NARP # NBMA Address Resolution [RFC1735] 129# Protocol 130mobile 55 MOBILE # IP Mobility [Charlie_Perkins] 131# Transport Layer Security 132tlsp 56 TLSP # Protocol using Kryptonet key [Christer_Oberg] 133# management 134skip 57 SKIP # SKIP [Tom_Markson] 135ipv6-icmp 58 IPv6-ICMP # ICMP for IPv6 [RFC8200] 136ipv6-nonxt 59 IPv6-NoNxt # No Next Header for IPv6 [RFC8200] 137ipv6-opts 60 IPv6-Opts # Destination Options for IPv6 Y [RFC8200] 138# 61 any host internal protocol [Internet_Assigned_Numbers_Authority] 139cftp 62 CFTP # CFTP [Forsdick, H., "CFTP", Network Message, Bolt Beranek and Newman, January 140# 1982.][Harry_Forsdick] 141# 63 any local network [Internet_Assigned_Numbers_Authority] 142sat-expak 64 SAT-EXPAK # SATNET and Backroom EXPAK [Steven_Blumenthal] 143kryptolan 65 KRYPTOLAN # Kryptolan [Paul Liu] 144rvd 66 RVD # MIT Remote Virtual Disk [Michael_Greenwald] 145# Protocol 146ippc 67 IPPC # Internet Pluribus Packet [Steven_Blumenthal] 147# Core 148# 68 any distributed file system [Internet_Assigned_Numbers_Authority] 149sat-mon 69 SAT-MON # SATNET Monitoring [Steven_Blumenthal] 150visa 70 VISA # VISA Protocol [Gene_Tsudik] 151ipcv 71 IPCV # Internet Packet Core Utility [Steven_Blumenthal] 152cpnx 72 CPNX # Computer Protocol Network [David Mittnacht] 153# Executive 154cphb 73 CPHB # Computer Protocol Heart Beat [David Mittnacht] 155wsn 74 WSN # Wang Span Network [Victor Dafoulas] 156pvp 75 PVP # Packet Video Protocol [Steve_Casner] 157br-sat-mon 76 BR-SAT-MON # Backroom SATNET Monitoring [Steven_Blumenthal] 158sun-nd 77 SUN-ND # SUN ND PROTOCOL-Temporary [William_Melohn] 159wb-mon 78 WB-MON # WIDEBAND Monitoring [Steven_Blumenthal] 160wb-expak 79 WB-EXPAK # WIDEBAND EXPAK [Steven_Blumenthal] 161iso-ip 80 ISO-IP # ISO Internet Protocol [Marshall_T_Rose] 162vmtp 81 VMTP # VMTP [Dave_Cheriton] 163secure-vmtp 82 SECURE-VMTP # SECURE-VMTP [Dave_Cheriton] 164vines 83 VINES # VINES [Brian Horn] 165ttp 84 TTP iptm IPTM # Transaction Transport [Jim_Stevens] 166# Protocol 167#iptm 84 IPTM # Internet Protocol Traffic [Jim_Stevens] 168# Manager 169nsfnet-igp 85 NSFNET-IGP # NSFNET-IGP [Hans_Werner_Braun] 170dgp 86 DGP # Dissimilar Gateway Protocol [M/A-COM Government Systems, "Dissimilar Gateway Protocol Specification, 171# Draft Version", Contract no. CS901145, November 16, 1987.][Mike_Little] 172tcf 87 TCF # TCF [Guillermo_A_Loyola] 173eigrp 88 EIGRP # EIGRP [RFC7868] 174ospfigp 89 OSPFIGP # OSPFIGP [RFC1583][RFC2328][RFC5340][John_Moy] 175# [Welch, B., "The Sprite Remote Procedure Call System", Technical Report, 176sprite-rpc 90 Sprite-RPC # Sprite RPC Protocol UCB/Computer Science Dept., 86/302, University of California at Berkeley, 177# June 1986.][Bruce Willins] 178larp 91 LARP # Locus Address Resolution [Brian Horn] 179# Protocol 180mtp 92 MTP # Multicast Transport Protocol [Susie_Armstrong] 181ax.25 93 AX.25 # AX.25 Frames [Brian_Kantor] 182ipip 94 IPIP # IP-within-IP Encapsulation [John_Ioannidis] 183# Protocol 184micp 95 MICP # (deprecated) Mobile Internetworking [John_Ioannidis] 185# Control Pro. 186scc-sp 96 SCC-SP # Semaphore Communications [Howard_Hart] 187# Sec. Pro. 188etherip 97 ETHERIP # Ethernet-within-IP [RFC3378] 189# Encapsulation 190encap 98 ENCAP # Encapsulation Header [RFC1241][Robert_Woodburn] 191# 99 any private encryption [Internet_Assigned_Numbers_Authority] 192# scheme 193gmtp 100 GMTP # GMTP [[RXB5]] 194ifmp 101 IFMP # Ipsilon Flow Management [Bob_Hinden][November 1995, 1997.] 195# Protocol 196pnni 102 PNNI # PNNI over IP [Ross_Callon] 197pim 103 PIM # Protocol Independent [RFC7761][Dino_Farinacci] 198# Multicast 199aris 104 ARIS # ARIS [Nancy_Feldman] 200scps 105 SCPS # SCPS [Robert_Durst] 201qnx 106 QNX # QNX [Michael_Hunter] 202a/n 107 A/N # Active Networks [Bob_Braden] 203ipcomp 108 IPComp # IP Payload Compression [RFC2393] 204# Protocol 205snp 109 SNP # Sitara Networks Protocol [Manickam_R_Sridhar] 206compaq-peer 110 Compaq-Peer # Compaq Peer Protocol [Victor_Volpe] 207ipx-in-ip 111 IPX-in-IP # IPX in IP [CJ_Lee] 208vrrp 112 VRRP carp # Virtual Router Redundancy [RFC5798] 209# Protocol 210pgm 113 PGM # PGM Reliable Transport [Tony_Speakman] 211# Protocol 212# 114 any 0-hop protocol [Internet_Assigned_Numbers_Authority] 213l2tp 115 L2TP # Layer Two Tunneling Protocol [RFC3931][Bernard_Aboba] 214ddx 116 DDX # D-II Data Exchange (DDX) [John_Worley] 215iatp 117 IATP # Interactive Agent Transfer [John_Murphy] 216# Protocol 217stp 118 STP # Schedule Transfer Protocol [Jean_Michel_Pittet] 218srp 119 SRP # SpectraLink Radio Protocol [Mark_Hamilton] 219uti 120 UTI # UTI [Peter_Lothberg] 220smp 121 SMP # Simple Message Protocol [Leif_Ekblad] 221sm 122 SM # (deprecated) Simple Multicast Protocol [Jon_Crowcroft][draft-perlman-simple-multicast] 222ptp 123 PTP # Performance Transparency [Michael_Welzl] 223# Protocol 224isis 124 ISIS # over IPv4 [Tony_Przygienda] 225fire 125 FIRE # [Criag_Partridge] 226crtp 126 CRTP # Combat Radio Transport [Robert_Sautter] 227# Protocol 228crudp 127 CRUDP # Combat Radio User Datagram [Robert_Sautter] 229sscopmce 128 SSCOPMCE # [Kurt_Waber] 230iplt 129 IPLT # [[Hollbach]] 231sps 130 SPS # Secure Packet Shield [Bill_McIntosh] 232pipe 131 PIPE # Private IP Encapsulation [Bernhard_Petri] 233# within IP 234sctp 132 SCTP # Stream Control Transmission [Randall_R_Stewart] 235# Protocol 236fc 133 FC # Fibre Channel [Murali_Rajagopal][RFC6172] 237rsvp-e2e-ignore 134 RSVP-E2E-IGNORE # [RFC3175] 238mobility 135 Mobility # Header Y [RFC6275] 239udplite 136 UDPLite # [RFC3828] 240mpls-in-ip 137 MPLS-in-IP # [RFC4023] 241manet 138 MANET # MANET Protocols [RFC5498] 242hip 139 HIP # Host Identity Protocol Y [RFC7401] 243shim6 140 Shim6 # Shim6 Protocol Y [RFC5533] 244wesp 141 WESP # Wrapped Encapsulating [RFC5840] 245# Security Payload 246rohc 142 ROHC # Robust Header Compression [RFC5858] 247ethernet 143 Ethernet # Ethernet [RFC8986] 248# 144-252 Unassigned [Internet_Assigned_Numbers_Authority] 249pfsync 240 PFSYNC # PF Synchronization 250# 241-252 Unassigned [Internet_Assigned_Numbers_Authority] 251# 253 Use for experimentation and Y [RFC3692] 252# testing 253# 254 Use for experimentation and Y [RFC3692] 254# testing 255reserved 255 Reserved # [Internet_Assigned_Numbers_Authority] 256# 257# Contact Information 258# 259# ID Name Contact URI Last Updated 260# [Barry_Boehm] Barry Boehm mailto:boehm&arpa.mil 261# [Barry_Howard] Barry Howard mailto:Howard&nmfecc.llnl.gov 262# [Bernard_Aboba] Bernard Aboba mailto:bernardaµsoft.com 1998-04 263# [Bernhard_Petri] Bernhard Petri mailto:bernhard.petri&siemens.com 2012-07-09 264# [Bill_McIntosh] Bill McIntosh mailto:BMcIntosh&fortresstech.com 265# [Bob_Braden] Bob Braden mailto:braden&isi.edu 1997-07 266# [Bob_Hinden] Bob Hinden mailto:bob.hinden&gmail.com 2013-02-17 267# [Brian_Kantor] Brian Kantor mailto:brian&ucsd.edu 268# [CJ_Lee] CJ Lee mailto:cj_lee&novell.com 1997-10 269# [Charlie_Perkins] Charlie Perkins mailto:perk&watson.ibm.com 1994-10 270# [Christer_Oberg] Christer Oberg mailto:chg&bull.se 1994-10 271# [Criag_Partridge] Criag Partridge mailto:craig&bbn.com 1999-08 272# [Dave_Cheriton] Dave Cheriton mailto:cheriton&pescadero.stanford.edu 273# [Dave_Presotto] Dave Presotto mailto:presotto&plan9.att.com 1995-07 274# [David_Clark] David Clark mailto:ddc&lcs.mit.edu 275# [David_Mills] David Mills mailto:Mills&huey.udel.edu 276# [Deborah_Estrin] Deborah Estrin mailto:estrin&usc.edu 277# [Dino_Farinacci] Dino Farinacci mailto:dino&cisco.com 1996-03 278# [Dirk_Fromhein] Dirk Fromhein mailto:df&watershed.com 279# [Gene_Tsudik] Gene Tsudik mailto:tsudik&usc.edu 280# [Greg_Chesson] Greg Chesson mailto:Greg&sgi.com 281# [Guillermo_A_Loyola] Guillermo A. Loyola mailto:LOYOLA&ibm.com 282# [Hans_Werner_Braun] Hans-Werner Braun mailto:HWB&mcr.umich.edu 283# [Harry_Forsdick] Harry Forsdick mailto:Forsdick&bbn.com 284# [Howard_Hart] Howard Hart mailto:hch&hybrid.com 285# [Internet_Assigned_Numbers_Authority] Internet Assigned Numbers Authority mailto:iana&iana.org 1995-06 286# [J_Noel_Chiappa] J. Noel Chiappa mailto:JNC&xx.lcs.mit.edu 287# [Jack_Haverty] Jack Haverty mailto:jhaverty&oracle.com 288# [Jean_Michel_Pittet] Jean-Michel Pittet mailto:jmp&gandalf.engr.sgi.com 1998-11 289# [Jim_Stevens] Jim Stevens mailto:jasteven&rockwellcollins.com 2011-01-26 290# [John_Ioannidis] John Ioannidis mailto:ji&tla.org 2015-01-06 291# [John_Moy] John Moy mailto:jmoy&proteon.com 292# [John_Murphy] John Murphy mailto:john.m.murphy&mci.com 1998-10 293# [John_Worley] John Worley mailto:worley&milehigh.net 1998-06 294# [Jon_Crowcroft] Jon Crowcroft mailto:jon&cs.ucl.ac.uk 1999-06 295# [Jon_Postel] Jon Postel mailto:postel&isi.edu 296# [K_Robert_Glenn] K. Robert Glenn mailto:glenn&osi.ncsl.nist.gov 297# [Kurt_Waber] Kurt Waber mailto:kurt.waber&swisscom.com 1999-08 298# [Leif_Ekblad] Leif Ekblad mailto:leif&rdos.net 2012-08-21 299# [Manickam_R_Sridhar] Manickam R. Sridhar mailto:msridhar&sitaranetworks.com 1997-09 300# [Mark_Hamilton] Mark Hamilton mailto:mah&spectralink.com 1998-11 301# [Marshall_T_Rose] Marshall T. Rose mailto:mrose&dbc.mtview.ca.us 302# [Martha_Steenstrup] Martha Steenstrup mailto:MSteenst&bbn.com 303# [Michael_Greenwald] Michael Greenwald mailto:Greenwald&scrc-stony-brook.symbolics.com 304# [Michael_Hunter] Michael Hunter mailto:mphunter&qnx.com 1997-07 305# [Michael_Welzl] Michael Welzl mailto:michael&tk.uni-linz.ac.at 1999-08 306# [Mike_Little] Mike Little mailto:little&macom4.arpa 307# [Murali_Rajagopal] Murali Rajagopal mailto:murali&gadzoox.com 2000-05 308# [Nancy_Feldman] Nancy Feldman mailto:nkf&vnet.ibm.com 1997-01 309# [Peter_Lothberg] Peter Lothberg mailto:roll&stupi.se 1999-03 310# [Randall_R_Stewart] Randall R. Stewart mailto:rrs&lakerest.net 2000-04 311# [Robert_Durst] Robert Durst mailto:durst&mitre.org 1997-03 312# [Robert_Sautter] Robert Sautter mailto:rsautter&acdnj.itt.com 1999-08 313# [Robert_W_Scheifler] Robert W. Scheifler mailto:rscheifler&comcast.net 2015-10-06 314# [Robert_Woodburn] Robert Woodburn mailto:woody&cseic.saic.com 315# [Ross_Callon] Ross Callon mailto:rcallon&baynetworks.com 1995-12 316# [Steve_Casner] Steve Casner mailto:casner&isi.edu 317# [Steve_Chipman] Steve Chipman mailto:Chipman&f.bbn.com 318# [Steve_Deering] Steve Deering mailto:deering&parc.xerox.com 1995-03 319# [Steven_Blumenthal] Steven Blumenthal mailto:BLUMENTHAL&vax.bbn.com 320# [Stuart_A_Friedberg] Stuart A. Friedberg mailto:stuart&cs.wisc.edu 321# [Sue_Hares] Sue Hares mailto:skh&merit.edu 322# [Susie_Armstrong] Susie Armstrong mailto:Armstrong.wbst128&xerox.com 323# [Tom_Markson] Tom Markson mailto:markson&osmosys.ingog.com 1995-09 324# [Tony_Ballardie] Tony Ballardie mailto:A.Ballardie&cs.ucl.ac.uk 325# [Tony_Li] Tony Li mailto:tony.li&tony.li 2012-10-17 326# [Tony_Przygienda] Tony Przygienda mailto:prz&siara.com 1999-08 327# [Tony_Speakman] Tony Speakman mailto:speakman&cisco.com 1998-01 328# [Trudy_Miller] Trudy Miller mailto:Trudy&acc.com 329# [Victor_Volpe] Victor Volpe mailto:vvolpe&smtp.microcom.com 1997-10 330# [Wesley_Craig] Wesley Craig mailto:Wesley.Craig&terminator.cc.umich.edu 331# [William_Melohn] William Melohn mailto:Melohn&sun.com 332# [Zaw_Sing_Su] Zaw-Sing Su mailto:ZSu&tsca.istc.sri. 333