Appendix C. Lists of Reserved Ports, ICMP Types and Codes, and Internet Protocols

ICMP type

Name

Code Description

32

Mobile Host Redirect

 

33

IPv6 Where-Are-You

 

34

IPv6 I-Am-Here

 

35

Mobile Registration Request

 

36

Mobile Registration Reply

 

Internet protocols and their numbers

The following table lists common Internet protocols and their protocol numbers. All these protocols run on IP. The list is extracted from http://www.iana.org/, Protocol Numbers.

Protocol 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 Protocol

8

EGP

Exterior Gateway Protocol

9

IGP

any private interior gateway

10

BBN-RCC-MON

BBN RCC Monitoring

11

NVP-II

Network Voice Protocol

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

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

34

3PC

Third Party Connect Protocol

37

DDP

Datagram Delivery Protocol

39

TP++

TP++ Transport Protocol

40

IL

IL Transport Protocol

46

RSVP

Reservation Protocol

342