Dear beeky Use a command like this : java org.apache.soap.util.net.TcpTunnelGui 8080 localhost 7001 instead of 8080 you muts use a free port on your PC(maybe 8080 is also free) instead of 7001 you must use the port your servlet runner is listening Best Regards Amin -----Ursprungliche Nachricht----- Von: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]] Gesendet: Montag, 20. August 2001 18:55 An: [EMAIL PROTECTED] Betreff: listenport param for TcpTunnelGui I would like to use TcpTunnelGui to observe SOAP message structure but I can't figure out what the listenport param is for my environment. I'm invoking TcpTunnelGui from a ms-dos window under Win95. The tunnelhost and tunnelport params are localhost:8080. Can someone tell me how to determine what the listenport param would be? Thanks in advance, --beeky