/etc/protocols

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  • DevynCJohnson
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    # Internet (IP) protocols
    #
    # Updated from 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]
    dccp    33    DCCP        # Datagram Congestion Control Prot. [RFC4340]
    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 [RFC2406]
    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 [RFC5798]
    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
    mobility-header 135 Mobility-Header # Mobility Support for IPv6 [RFC3775]
    udplite    136    UDPLite        # UDP-Lite [RFC3828]
    mpls-in-ip 137    MPLS-in-IP    # MPLS-in-IP [RFC4023]
    manet    138            # MANET Protocols [RFC5498]
    hip    139    HIP        # Host Identity Protocol
    shim6    140    Shim6        # Shim6 Protocol [RFC5533]
    wesp    141    WESP        # Wrapped Encapsulating Security Payload
    rohc    142    ROHC        # Robust Header Compression
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