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							- # Internet (IP) protocols
 
- #
 
- # Updated from http://www.iana.org/assignments/protocol-numbers and other
 
- # sources.
 
- # New protocols will be added on request if they have been officially
 
- # assigned by IANA and are not historical.
 
- # If you need a huge list of used numbers please install the nmap package.
 
- ip	0	IP		# internet protocol, pseudo protocol number
 
- #hopopt	0	HOPOPT		# IPv6 Hop-by-Hop Option [RFC1883]
 
- 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'')
 
- st	5	ST		# ST datagram mode
 
- tcp	6	TCP		# transmission control protocol
 
- egp	8	EGP		# exterior gateway protocol
 
- igp	9	IGP		# any private interior gateway (Cisco)
 
- pup	12	PUP		# PARC universal packet protocol
 
- udp	17	UDP		# user datagram protocol
 
- hmp	20	HMP		# host monitoring protocol
 
- xns-idp	22	XNS-IDP		# Xerox NS IDP
 
- rdp	27	RDP		# "reliable datagram" protocol
 
- iso-tp4	29	ISO-TP4		# ISO Transport Protocol class 4 [RFC905]
 
- xtp	36	XTP		# Xpress Transfer Protocol
 
- ddp	37	DDP		# Datagram Delivery Protocol
 
- idpr-cmtp 38	IDPR-CMTP	# IDPR Control Message Transport
 
- ipv6	41	IPv6		# Internet Protocol, version 6
 
- 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
 
- esp	50	IPSEC-ESP	# Encap Security Payload [RFC2046]
 
- ah	51	IPSEC-AH	# Authentication Header [RFC2402]
 
- skip	57	SKIP		# SKIP
 
- ipv6-icmp 58	IPv6-ICMP	# ICMP for IPv6
 
- ipv6-nonxt 59	IPv6-NoNxt	# No Next Header for IPv6
 
- ipv6-opts 60	IPv6-Opts	# Destination Options for IPv6
 
- rspf	73	RSPF CPHB	# Radio Shortest Path First (officially CPHB)
 
- vmtp	81	VMTP		# Versatile Message Transport
 
- eigrp	88	EIGRP		# Enhanced Interior Routing Protocol (Cisco)
 
- ospf	89	OSPFIGP		# Open Shortest Path First IGP
 
- ax.25	93	AX.25		# AX.25 frames
 
- ipip	94	IPIP		# IP-within-IP Encapsulation Protocol
 
- etherip	97	ETHERIP		# Ethernet-within-IP Encapsulation [RFC3378]
 
- encap	98	ENCAP		# Yet Another IP encapsulation [RFC1241]
 
- #	99			# any private encryption scheme
 
- pim	103	PIM		# Protocol Independent Multicast
 
- ipcomp	108	IPCOMP		# IP Payload Compression Protocol
 
- vrrp	112	VRRP		# Virtual Router Redundancy Protocol
 
- l2tp	115	L2TP		# Layer Two Tunneling Protocol [RFC2661]
 
- isis	124	ISIS		# IS-IS over IPv4
 
- sctp	132	SCTP		# Stream Control Transmission Protocol
 
- fc	133	FC		# Fibre Channel
 
 
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