network>cat /etc/protocols
#
# Internet protocols
#
# $FreeBSD$
# from: @(#)protocols 5.1 (Berkeley) 4/17/89
#
# See also http://www.iana.org/assignments/protocol-numbers
#
ip 0 IP # internet protocol, pseudo protocol number
#hopopt 0 HOPOPT # hop-by-hop options for ipv6
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'')
st2 5 ST2 # ST2 datagram mode (RFC 1819) (officially ``ST'')
tcp 6 TCP # transmission control protocol
cbt 7 CBT # CBT, Tony Ballardie <A.Ballardie@cs.ucl.ac.uk>
egp 8 EGP # exterior gateway protocol
igp 9 IGP # any private interior gateway (Cisco: for IGRP)
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 protocol
dcn 19 DCN-MEAS # DCN Measurement Subsystems
hmp 20 HMP # host monitoring protocol
prm 21 PRM # packet radio measurement protocol
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 Protocol
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 DCCP # Datagram Congestion Control Protocol
3pc 34 3PC # Third Party Connect Protocol
idpr 35 IDPR # Inter-Domain Policy Routing Protocol
xtp 36 XTP # Xpress Tranfer 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 # ipv6
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 # Generic Routing Encapsulation
dsr 48 DSR # Dynamic Source Routing Protocol
bna 49 BNA # BNA
esp 50 ESP # encapsulating security payload
ah 51 AH # authentication header
i-nlsp 52 I-NLSP # Integrated Net Layer Security TUBA
swipe 53 SWIPE # IP with Encryption
narp 54 NARP # NBMA Address Resolution Protocol
mobile 55 MOBILE # IP Mobility
tlsp 56 TLSP # Transport Layer Security Protocol
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
# 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 filesystem
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
#iptm 84 IPTM # Protocol Internet Protocol Traffic
nsfnet-igp 85 NSFNET-IGP # NSFNET-IGP
dgp 86 DGP # Dissimilar Gateway Protocol
tcf 87 TCF # TCF
eigrp 88 EIGRP # Enhanced Interior Routing Protocol (Cisco)
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
# 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 # ARIS
scps 105 SCPS # SCPS
qnx 106 QNX # 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
iatp 117 IATP # Interactive Agent Transfer Protocol
stp 118 STP # Schedule Transfer Protocol
srp 119 SRP # SpectraLink Radio Protocol
uti 120 UTI # UTI
smp 121 SMP # Simple Message Protocol
sm 122 SM # SM
ptp 123 PTP # Performance Transparency Protocol
isis 124 ISIS # ISIS 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)
# 138-254 # Unassigned
pfsync 240 PFSYNC # PF Synchronization
# 253-254 # Use for experimentation and testing (RFC3692)
# 255 # Reserved
divert 258 DIVERT # Divert pseudo-protocol [non IANA]
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