serproxy - waiting for clients

o.k. serproxy is talkin to me. at least. it says:

server(1) - thread started
server(1) - EOF from sock
server(1) - exiting

...

trying to connect to flash ... via this example: Arduino code&examples - by b of Progetto25zero1

hmmm. but on mac i´m experience the same problem ... serproxy waiting for client?!?!
do i have to establish a network client under osX as well?! which programm should i use?!

thanks!!!