# Internet (IP) protocols
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#
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# Updated from http://www.iana.org/assignments/protocol-numbers and other
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# sources.
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ip 0 IP # internet protocol, pseudo protocol number
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hopopt 0 HOPOPT # IPv6 Hop-by-Hop Option [RFC1883]
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icmp 1 ICMP # internet control message protocol
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igmp 2 IGMP # Internet Group Management
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ggp 3 GGP # gateway-gateway protocol
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ipencap 4 IP-ENCAP # IP encapsulated in IP (officially ``IP'')
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st 5 ST # ST datagram mode
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tcp 6 TCP # transmission control protocol
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egp 8 EGP # exterior gateway protocol
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igp 9 IGP # any private interior gateway (Cisco)
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pup 12 PUP # PARC universal packet protocol
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udp 17 UDP # user datagram protocol
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hmp 20 HMP # host monitoring protocol
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xns-idp 22 XNS-IDP # Xerox NS IDP
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rdp 27 RDP # "reliable datagram" protocol
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iso-tp4 29 ISO-TP4 # ISO Transport Protocol class 4 [RFC905]
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dccp 33 DCCP # Datagram Congestion Control Prot. [RFC4340]
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xtp 36 XTP # Xpress Transfer Protocol
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ddp 37 DDP # Datagram Delivery Protocol
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idpr-cmtp 38 IDPR-CMTP # IDPR Control Message Transport
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ipv6 41 IPv6 # Internet Protocol, version 6
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ipv6-route 43 IPv6-Route # Routing Header for IPv6
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ipv6-frag 44 IPv6-Frag # Fragment Header for IPv6
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idrp 45 IDRP # Inter-Domain Routing Protocol
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rsvp 46 RSVP # Reservation Protocol
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gre 47 GRE # General Routing Encapsulation
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esp 50 IPSEC-ESP # Encap Security Payload [RFC2406]
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ah 51 IPSEC-AH # Authentication Header [RFC2402]
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skip 57 SKIP # SKIP
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ipv6-icmp 58 IPv6-ICMP # ICMP for IPv6
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ipv6-nonxt 59 IPv6-NoNxt # No Next Header for IPv6
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ipv6-opts 60 IPv6-Opts # Destination Options for IPv6
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rspf 73 RSPF CPHB # Radio Shortest Path First (officially CPHB)
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vmtp 81 VMTP # Versatile Message Transport
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eigrp 88 EIGRP # Enhanced Interior Routing Protocol (Cisco)
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ospf 89 OSPFIGP # Open Shortest Path First IGP
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ax.25 93 AX.25 # AX.25 frames
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ipip 94 IPIP # IP-within-IP Encapsulation Protocol
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etherip 97 ETHERIP # Ethernet-within-IP Encapsulation [RFC3378]
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encap 98 ENCAP # Yet Another IP encapsulation [RFC1241]
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# 99 # any private encryption scheme
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pim 103 PIM # Protocol Independent Multicast
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ipcomp 108 IPCOMP # IP Payload Compression Protocol
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vrrp 112 VRRP # Virtual Router Redundancy Protocol [RFC5798]
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l2tp 115 L2TP # Layer Two Tunneling Protocol [RFC2661]
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isis 124 ISIS # IS-IS over IPv4
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sctp 132 SCTP # Stream Control Transmission Protocol
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fc 133 FC # Fibre Channel
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mobility-header 135 Mobility-Header # Mobility Support for IPv6 [RFC3775]
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udplite 136 UDPLite # UDP-Lite [RFC3828]
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mpls-in-ip 137 MPLS-in-IP # MPLS-in-IP [RFC4023]
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manet 138 # MANET Protocols [RFC5498]
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hip 139 HIP # Host Identity Protocol
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shim6 140 Shim6 # Shim6 Protocol [RFC5533]
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wesp 141 WESP # Wrapped Encapsulating Security Payload
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rohc 142 ROHC # Robust Header Compression
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