3com drums version 4.3 User Manual
Appendix C. Lists of Reserved Ports, ICMP Types and Codes, and Internet Protocols
Type
Name
Reference
3
Destination Unreachable
[RFC792]
4
Source Quench
[RFC792]
5
Redirect
[RFC792]
6
Alternate Host Address
[JBP]
7
Unassigned
[JBP]
8
Echo
[RFC792]
9
Router Advertisement
[RFC1256]
10
Router Solicitation
[RFC1256]
11
Time Exceeded
[RFC792]
12
Parameter Problem
[RFC792]
13
Timestamp
[RFC792]
14
Timestamp Reply
[RFC792]
15
Information Request
[RFC792]
16
Information Reply
[RFC792]
17
Address Mask Request
[RFC950]
18
Address Mask Reply
[RFC950]
19
Reserved (for Security)
[Solo]
20-29
Reserved (for Robustness Experiment)
[ZSu]
30
Traceroute
[RFC1393]
31
Datagram Conversion Error
[RFC1475]
32
Mobile Host Redirect
[David Johnson]
33
IPv6 Where-Are-You
[Bill Simpson]
34
IPv6 I-Am-Here
[Bill Simpson]
35
Mobile Registration Request
[Bill Simpson]
36
Mobile Registration Reply
[Bill Simpson]
37
Domain Name Request
[Simpson]
38
Domain Name Reply
[Simpson]
39
SKIP
[Markson]
40
Photuris
[RFC2521]
41-255
Reserved
[JBP]
ICMP codes
Some ICMP types have codes attached.
ICMP type
Name
Code
Description
0
Echo Reply
0
No Code
1
Unassigned
2
Unassigned
3
Destination Unreachable
0
Net Unreachable
1
Host Unreachable
2
Protocol Unreachable
3
Port Unreachable
4
Fragmentation Needed and Don’t
Fragment was Set
Fragment was Set
134