Wireshark-users: [Wireshark-users] Active filter

From: "Christopher Wooley" <support@xxxxxxxxxxxxxxxxxxxx>
Date: Tue, 08 Sep 2009 13:44:24 -0500
I am trying to filter an active capture for port 3250, but when I use "tcp port 3250" in the filter I get "port was unexpected in this context" What's the correct way to do this?