Administrator's Guide

Appendix C. Lists of Reserved Ports, ICMP Types and Codes, and Internet Protocols
Name Port/protocol Description
pptp 1723/udp pptp
nfs 2049/tcp Network File System
nfs 2049/udp Network File System
eklogin 2105/tcp Kerberos encrypted rlogin
rkinit 2108/tcp Kerberos remote kinit
kx 2111/tcp X over Kerberos
kauth 2120/tcp Remote kauth
lyskom 4894/tcp LysKOM (conference system)
sip 5060/tcp Session Initiation Protocol
sip 5060/udp Session Initiation Protocol
x11 6000-6063/tcp X Window System
x11 6000-6063/udp X Window System
irc 6667/tcp Internet Relay Chat
afs 7000-7009/tcp
afs 7000-7009/udp
List of ICMP types
The following list is taken from http://www.iana.org/, ICMP Parameters.
Type Name Reference
0 Echo Reply [RFC792]
1 Unassigned [JBP]
2 Unassigned [JBP]
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]
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