Port 113/tcp: authentication.
The other port is random (see RFC for TCP and SMTP).
Wolfgang Rau
On Thu, 16 Dec 1999, Oscar Rau wrote:
>
> 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
> [EMAIL PROTECTED]
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