以下内容来自此处.
IP报头的协议类型字段定义如下:
| 取值 | 协议 |
|---|---|
| 0 | HOPOPT |
| 1 | ICMP |
| 2 | IGMP |
| 3 | GGP |
| 4 | IP-in-IP |
| 5 | ST |
| 6 | TCP |
| 7 | CBT |
| 8 | EGP |
| 9 | IGP |
| 10 | BBN-RCC-MON |
| 11 | NVP-II |
| 12 | PUP |
| 13 | ARGUS |
| 14 | EMCON |
| 15 | XNET |
| 16 | CHAOS |
| 17 | UDP |
| 18 | MUX |
| 19 | DCN-MEAS |
| 20 | HMP |
| 21 | PRM |
| 22 | XNS-IDP |
| 23 | TRUNK-1 |
| 24 | TRUNK-2 |
| 25 | LEAF-1 |
| 26 | LEAF-2 |
| 27 | RDP |
| 28 | IRTP |
| 29 | ISO-TP4 |
| 30 | NETBLT |
| 31 | MFE-NSP |
| 32 | MERIT-INP |
| 33 | DCCP |
| 34 | 3PC |
| 35 | IDPR |
| 36 | XTP |
| 37 | DDP |
| 38 | IDPR-CMTP |
| 39 | TP++ |
| 40 | IL |
| 41 | IPv6 |
| 42 | SDRP |
| 43 | IPv6-Route |
| 44 | IPv6-Frag |
| 45 | IDRP |
| 46 | RSVP |
| 47 | GREs |
| 48 | DSR |
| 49 | BNA |
| 50 | ESP |
| 51 | AH |
| 52 | I-NLSP |
| 53 | SwIPe |
| 54 | NARP |
| 55 | MOBILE |
| 56 | TLSP |
| 57 | SKIP |
| 58 | IPv6-ICMP |
| 59 | IPv6-NoNxt |
| 60 | IPv6-Opts |
| 61 | 用于主机内部协议 |
| 62 | CFTP |
| 63 | 用于局域网 |
| 65 | KRYPTOLAN |
| 66 | RVD |
| 67 | IPPC |
| 68 | 用于分布式文件系统 |
| 69 | SAT-MON |
| 70 | VISA |
| 71 | IPCU |
| 72 | CPNX |
| 73 | CPHB |
| 74 | WSN |
| 75 | PVP |
| 76 | BR-SAT-MON |
| 77 | SUN-ND |
| 78 | WB-MON |
| 79 | WB-EXPAK |
| 80 | ISO-IP |
| 81 | VMTP |
| 82 | SECURE-VMTP |
| 84 | TTP |
| 84 | IPTM |
| 85 | NSFNET-IGP |
| 86 | DGP |
| 87 | TCF |
| 88 | EIGRP |
| 89 | OSPF |
| 90 | Sprite-RPC |
| 91 | LARP |
| 92 | MTP |
| 93 | AX.25 |
| 94 | OS |
| 95 | MICP |
| 96 | SCC-SP |
| 97 | ETHERIP |
| 98 | ENCAP |
| 99 | 用于私有加密方案 |
| 100 | GMTP |
| 101 | IFMP |
| 102 | PNNI |
| 103 | PIM |
| 104 | ARI |
| 106 | QNX |
| 107 | A/N |
| 108 | IPComp |
| 109 | SNP |
| 110 | Compaq-Peer |
| 111 | IPX-in-IP |
| 112 | VRRP |
| 113 | PGM |
| 114 | 用于任意0跳协议 |
| 115 | L2TP |
| 116 | DDX |
| 117 | IATP |
| 118 | STP |
| 119 | SRP |
| 120 | UTI |
| 121 | SMP |
| 122 | SM |
| 123 | PTP |
| 124 | IS-IS |
| 125 | FIRE |
| 126 | CRTP |
| 127 | CRUDP |
| 128 | SSCOPMCE |
| 129 | IPLT |
| 130 | SPS |
| 131 | PIPE |
| 132 | SCTP |
| 133 | FC |
| 134 | RSVP-E2E-IGNORE |
| 135 | Mobility Header |
| 136 | UDPLite |
| 137 | MPLS-in-IP |
| 138 | manet |
| 139 | HIP |
| 140 | Shim6 |
| 141 | WESP |
| 142 | ROHC |
| 143 | Ethernet |
| 144-252 | 未分配 |
| 253-254 | 用于实验和测试 |
| 255 | 保留 |