Communication behind Proxy

[Khurram Fakhar]

Hi ppl,
I m working on a web based chat module , Everything is written and tested and working fine , it is a socket based communication between java chat server and web based clients .. ( applets)
problem is that my client cant connect to server if it is behind a proxy ?
Help needed urgent.
best regards
khurram

[maateen ashraf]

try reading
System properties class it does have some solution of proxy
using socks version 4