xref: /openbsd-current/etc/protocols

# $OpenBSD: protocols,v 1.25 2022/09/22 17:44:20 deraadt Exp $
#
# Internet (IP) protocols, RFC 1340
# https://www.iana.org/assignments/protocol-numbers/protocol-numbers.txt
#

ip	0	IP HOPOPT	# internet protocol, pseudo protocol number
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'')
st2	5	ST ST2		# ST2 datagram mode
tcp	6	TCP		# transmission control protocol
cbt	7	UCL CBT		# CBT
egp	8	EGP		# exterior gateway protocol
igp	9	IGP		# any private interior gateway
bbn-rcc	10	BBN-RCC-MON	# BBN RCC Monitoring
nvp	11	NVP-II		# Network Voice Protocol
pup	12	PUP		# PARC universal packet protocol
argus	13	ARGUS		# ARGUS
emcon	14	EMCON		# EMCON
xnet	15	XNET		# Cross Net Debugger
chaos	16	CHAOS		# Chaos
udp	17	UDP		# user datagram protocol
mux	18	MUX		# Multiplexing
dcn	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-1
trunk-2	24	TRUNK-2		# Trunk-2
leaf-1	25	LEAF-1		# Leaf-1
leaf-2	26	LEAF-2		# Leaf-2
rdp	27	RDP		# "reliable datagram" 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
dccp	33	SEP DCCP	# Datagram Congestion Control 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 Proto
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		# Reservation Protocol
gre	47	GRE		# General Routing Encapsulation
dsr	48	DSR		# Dynamic Source Routing Protocol
bna	49	BNA		# BNA
esp	50	IPSEC-ESP ESP	# Encap Security Payload
ah	51	IPSEC-AH AH	# Authentication Header
i-nlsp	52	I-NLSP		# Integrated Net Layer Security TUBA
swipe	53	SWIPE		# IP with Encryption
narp	54	NHRP NARP	# NBMA Next Hop Resolution Protocol
mobile	55	MOBILEIP MOBILE	# MobileIP encapsulation
skip	57	SKIP		# SKIP
ipv6-icmp 58	IPV6-ICMP icmp6	# ICMP for IPv6
ipv6-nonxt 59	IPV6-NONXT	# No Next Header for IPv6
ipv6-opts 60	IPV6-OPTS	# Destination Options for IPv6
any	61	any		# host internal protocol
cftp	62	CFTP		# CFTP
any	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
any	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		# VINES
ttp	84	TTP		# TTP
nsfnet-igp 85	NSFNET-IGP	# NSFNET-IGP
dgp	86	DGP		# Dissimilar Gateway Protocol
tcf	87	TCF		# TCF
igrp	88	IGRP EIGRP	# IGRP
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		# Yet Another IP encapsulation
any	99	any		# private encryption scheme
gmtp	100	GMTP		# 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		# Space Communication Protocol Standards TCP Compressed Header
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	# Common Address 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	# Aggregation of RSVP for IP reservations
mobility-header	135	Mobility-Header	# Mobility Support in IPv6
udplite	136	UDPLite	#	The UDP-Lite Protocol
mpls-in-ip	137	MPLS-IN-IP	# Encapsulating MPLS in IP
manet	138	MANET	# MANET Protocols (RFC5498)
hip	139	HIP	# Host Identity Protocol (RFC5201)
shim6	140	SHIM6	# Shim6 Protocol (RFC5533)
wesp	141	WESP	# Wrapped Encapsulating Security Payload (RFC5840)
rohc	142	ROHC	# Robust Header Compression (RFC5858)
pfsync	240	PFSYNC		# PF Synchronization
#	253-254			# Use for experimentation and testing (RFC3692)
reserved 255	Reserved	#
divert	258	DIVERT		# Divert pseudo-protocol [non IANA]