Subject: Re: Question about ports
From: Wolfgang Rau <[email-masked]>
To: Oscar Rau <[email-masked]>
Cc: Firewalls <[email-masked]>
Date: Fri, 17 Dec 1999 09:45:30 +0100 (MET)

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-masked]
> -
> [To unsubscribe, send mail to [email-masked] with
> "unsubscribe firewalls" in the body of the message.]
> 

-
[To unsubscribe, send mail to [email-masked] with
"unsubscribe firewalls" in the body of the message.]