Decimal Keyword Protocol References
------- ------- -------- ----------
0 Reserved [JBP]
1 ICMP Internet Control Message [97,JBP]
2 IGMP Internet Group Management [43,JBP]
3 GGP Gateway-to-Gateway [60,MB]
4 IP IP in IP (encasulation) [JBP]
5 ST Stream [49,JWF]
6 TCP Transmission Control [106,JBP]
7 UCL UCL [PK]
8 EGP Exterior Gateway Protocol [123,DLM1]
9 IGP any private interior gateway [JBP]
10 BBN-RCC-MON BBN RCC Monitoring [SGC]
11 NVP-II Network Voice Protocol [22,SC3]
12 PUP PUP [8,XEROX]
13 ARGUS ARGUS [RWS4]
14 EMCON EMCON [BN7]
15 XNET Cross Net Debugger [56,JFH2]
16 CHAOS Chaos [NC3]
17 UDP User Datagram [104,JBP]
18 MUX Multiplexing [23,JBP]
19 DCN-MEAS DCN Measurement Subsystems [DLM1]
20 HMP Host Monitoring [59,RH6]
21 PRM Packet Radio Measurement [ZSU]
22 XNS-IDP XEROX NS IDP [133,XEROX]
23 TRUNK-1 Trunk-1 [BWB6]
24 TRUNK-2 Trunk-2 [BWB6]
25 LEAF-1 Leaf-1 [BWB6]
26 LEAF-2 Leaf-2 [BWB6]
27 RDP Reliable Data Protocol [138,RH6]
28 IRTP Internet Reliable Transaction [79,TXM]
29 ISO-TP4 ISO Transport Protocol Class 4 [63,RC77]
30 NETBLT Bulk Data Transfer Protocol [20,DDC1]
31 MFE-NSP MFE Network Services Protocol [124,BCH2]
32 MERIT-INP MERIT Internodal Protocol [HWB]
33 SEP Sequential Exchange Protocol [JC120]
34 3PC Third Party Connect Protocol [SAF3]
35 IDPR Inter-Domain Policy Routing Protocol [MXS1]
36 XTP XTP [GXC]
37 DDP Datagram Delivery Protocol [WXC]
38 IDPR-CMTP IDPR Control Message Transport Proto [MXS1]
39 TP++ TP++ Transport Protocol [DXF]
40 IL IL Transport Protocol [DXP2]
41-60 Unassigned [JBP]
61 any host internal protocol [JBP]
62 CFTP CFTP [50,HCF2]
63 any local network [JBP]
64 SAT-EXPAK SATNET and Backroom EXPAK [SHB]
65 KRYPTOLAN Kryptolan [PXL1]
66 RVD MIT Remote Virtual Disk Protocol [MBG]
67 IPPC Internet Pluribus Packet Core [SHB]
68 any distributed file system [JBP]
69 SAT-MON SATNET Monitoring [SHB]
70 VISA VISA Protocol [GXT1]
71 IPCV Internet Packet Core Utility [SHB]
72 CPNX Computer Protocol Network Executive [DXM2]
73 CPHB Computer Protocol Heart Beat [DXM2]
74 WSN Wang Span Network [VXD]
75 PVP Packet Video Protocol [SC3]
76 BR-SAT-MON Backroom SATNET Monitoring [SHB]
77 SUN-ND SUN ND PROTOCOL-Temporary [WM3]
78 WB-MON WIDEBAND Monitoring [SHB]
79 WB-EXPAK WIDEBAND EXPAK [SHB]
80 ISO-IP ISO Internet Protocol [MTR]
81 VMTP VMTP [DRC3]
82 SECURE-VMTP SECURE-VMTP [DRC3]
83 VINES VINES [BXH]
84 TTP TTP [JXS]
85 NSFNET-IGP NSFNET-IGP [HWB]
86 DGP Dissimilar Gateway Protocol [74,ML109]
87 TCF TCF [GAL5]
88 IGRP IGRP [18,GXS]
89 OSPFIGP OSPFIGP [83,JTM4]
90 Sprite-RPC Sprite RPC Protocol [143,BXW]
91 LARP Locus Address Resolution Protocol [BXH]
92 MTP Multicast Transport Protocol [SXA]
93 AX.25 AX.25 Frames [BK29]
94 IPIP IP-within-IP Encapsulation Protocol [JXI1]
95 MICP Mobile Internetworking Control Pro. [JXI1]
96 AES-SP3-D AES Security Protocol 3-D [HXH]
97 ETHERIP Ethernet-within-IP Encapsulation [RXH1]
98 ENCAP Encapsulation Header [148,RXB3]
99-254 Unassigned [JBP]
255 Reserved [JBP]