I have a question about ports. When you access some server you get a connection
back on a different port. For example, Netscape server is on port 80 and it comes
back to a different port on the client.
My mail server is on port 25. When the mail goes out, the relay server connects
back on port 1590 and 113. Why is this done? Is it some form of acknowledgement or
authentication?
Oscar Rau
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