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