Hi,
I assume client is linux as well ...
run dsmcad (Client Acceptor Daemon) on the client
if the http port 1580 is the only communication port for TSM client, you should be OK, but I would suggest setting 1580 for TCPport and set HTTPport to 1581 (as default) - not sure what happens if you mix it together
One more thing - the webclient is java based - it uses dynamically allocated ports by default, so if you are on the local network with ports open it is ok, but if you want to work accross a firewall, you have to play with webport option as well
Hope it helps
Harry