Here is a link to an updated list of well known port numbers
http://www.iana.org/assignments/port-numbers
PORT NUMBERS
(last updated 2010-02-10)
The port numbers are divided into three ranges: the Well Known Ports,
the Registered Ports, and the Dynamic and/or Private Ports.
The Well Known Ports are those from 0 through 1023.
DCCP Well Known ports SHOULD NOT be used without IANA registration.
The registration procedure is defined in [RFC4340], Section 19.9.
The Registered Ports are those from 1024 through 49151
DCCP Registered ports SHOULD NOT be used without IANA registration.
The registration procedure is defined in [RFC4340], Section 19.9.
The Dynamic and/or Private Ports are those from 49152 through 65535
A value of 0 in the port numbers registry below indicates that no port
has been allocated…
