Appendix c protocol numbers – Net Optics Smart Filtering none User Manual
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Appendix C
Protocol Numbers
The official Assigned Internet Protocol Numbers list is maintained by the Internet Assigned Numbers Authority and
can be found at http://www.iana.org/assignments/protocol-numbers. The list as of April 18, 2008 is reproduced in the
following table (without references).
Num
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
(used by Cisco for their
IGRP)
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 Subsys-
tems
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
Num
Keyword
Protocol
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 Proto
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 Pro-
tocol
46
RSVP
Reservation Protocol
47
GRE
General Routing Encapsula-
tion
48
DSR
Dynamic Source Routing
Protocol
49
BNA
BNA
50
ESP
Encap Security Payload
51
AH
Authentication Header
52
I-NLSP
Integrated Net Layer Security
TUBA
53
SWIPE
IP with Encryption
54
NARP
NBMA Address Resolution
Protocol