TCPIP port numbers

From: Sam.MicroGate@usa.telekom.de
Date: Mon Oct 14 2002 - 11:59:15 GMT-3

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Hello All,

I have a simple question that I should know. When a TCPIP client application
(say telnet) try to access a server (say a telnet server) it uses port
number 23 as a destination port number in its IP packet. My question is what
is the source port number of this IP packet? Is it randomly generated or
there is a rule for generating this source port number? Any link or a CCO
document is appreciated.

Sam

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