On Fri, 12 Mar 2004, Florin Iucha wrote: > First of all thank you guys for the info on the 1.5 Mbps DSL. I just got > it and it works great! > > Well, almost... > > I NAT-ed ports 22, 25 and 80 to my internal box. So far so good. I > started getting mail from the lists I am subscribed to, except LKML.=20 > When I try a portscan of my domain (iucha.net) from the office, I get > only ports 22 and 80 open.=20 > > Telnet 25 from my office SUN machine fails with "connection timeout". > Telnet 25 from my office Windows2k machine succeeds. Ssh from my office > Windows2k machine fails with "connection timeout". > > I tried testing with http://vger.kernel.org/mxverify.html. The first two > fail with "connection timeout", the third one succeeds! > > What's up? What should I do? Do you have ECN turned on? One good thing to do would be put a hub between your Linux box and the Actiontec, put another Linux box on that hub, and run Ethereal or tcpdump. This will let you see if the Actiontec is actually passing the traffic or not. -- Nate Carlson <natecars at real-time.com> | Phone : (952)943-8700 http://www.real-time.com | Fax : (952)943-8500 _______________________________________________ TCLUG Mailing List - Minneapolis/St. Paul, Minnesota http://www.mn-linux.org tclug-list at mn-linux.org https://mailman.real-time.com/mailman/listinfo/tclug-list