Number
Keyword Protocol
0 HOPOPT IPv6 Hop-by-Hop Option
1 ICMP Internet Control Message
2 IGMP Internet Group Management
3 GGP Gateway-to-Gateway
4 IP IP in IP (encapsulation)
5 ST Stream
6 TCP Transmission Control
7 CBT CBT
8 EGP Exterior Gateway Protocol
9 IGP Any private interior gateway
10 BBN-RCC-MON BBN RCC Monitoring
11 NVP-II Network Voice Protocol
12 PUP PUP
13 ARGUS ARGUS
14 EMCON EMCON
15 XNET Cross Net Debugger
16 CHAOS Chaos
17 UDP User Datagram
18 MUX Multiplexing
19 DCN-MEAS DCN Measurement Subsystems
20 HMP Host Monitoring
21 PRM Packet Radio Measurement
22 XNS-IDP XEROX NS IDP
23 TRUNK-1 Trunk-1
24 TRUNK-2 Trunk-2
25 LEAF-1 Leaf-1
26 LEAF-2 Leaf-2
27 RDP Reliable Data Protocol
28 IRTP Internet Reliable Transaction
29 ISO-TP4 ISO Transport Protocol Class 4
30 NETBLT Bulk Data Transfer Protocol
31 MFE-NSP MFE Network Services Protocol
32 MERIT-INP MERIT Internodal Protocol
33 DCCP
Datagram Congestion Control
Protocol
34 3PC Third Party Connect Protocol
35 IDPR
Inter-Domain Policy Routing
Protocol
36 XTP XTP
37 DDP Datagram Delivery Protocol
38 IDPR-CMTP
IDPR Control Message
Transport Protocol
39 TP++ TP++ Transport Protocol
40 IL IL Transport Protocol
41 IPv6 Ipv6
42 SDRP
Source Demand Routing
Protocol
43 IPv6-Route Routing Header for IPv6
44 IPv6-Frag Fragment Header for IPv6
45 IDRP Inter-Domain Routing Protocol
46 RSVP Reservation Protocol
47 GRE General Routing Encapsulation
48 MHRP Mobile Host Routing Protocol
49 BNA BNA
50 ESP Encap Security Payload
51 AH Authentication Header
52 I-NLSP Integrated Net Layer Security
53 SWIPE IP with Encryption
54 NARP
NBMA Address Resolution
Protocol
55 MOBILE IP Mobility
56 TLSP
Transport Layer Security
Protocol
57 SKIP SKIP
58 IPv6-ICMP ICMP for IPv6
59 IPv6-NoNxt No Next Header for IPv6
60 IPv6-Opts Destination Options for IPv6
61 - any host internal protocol
62 CFTP CFTP
63 - any local network
64 SAT-EXPAK SATNET and Backroom EXPAK
65 KRYPTOLAN Kryptolan
66 RVD
MIT Remote Virtual Disk
Protocol
67 IPPC Internet Pluribus Packet Core
68 - any distributed file system
69 SAT-MON SATNET Monitoring
70 VISA VISA Protocol
71 IPCV Internet Packet Core Utility
72 CPNX
Computer Protocol Network
Executive
73 CPHB Computer Protocol Heart Beat
74 WSN Wang Span Network
75 PVP Packet Video Protocol
76 BR-SAT-MON Backroom SATNET Monitoring
77 SUN-ND
SUN ND
PROTOCOL-Temporary
78 WB-MON WIDEBAND Monitoring
79 WB-EXPAK WIDEBAND EXPAK
80 ISO-IP ISO Internet Protocol
81 VMTP VMTP
82 SECURE-VMTP SECURE-VMTP
83 VINES VINES
84 TTP TTP