How to monitor a port in Linux 7.2

From: News kpnqwest (hjallis_at_pax.priv.no)
Date: 09/28/04


Date: Tue, 28 Sep 2004 10:15:31 +0200

I would like to put the datastream on a defined port to a terminal, to
monitor the traffic. How do I get this datastream to a certain terminal?
Which command is to be used?