When an applet try to connect to a c++ server via socket, it's just
simply refused, and the server even doesn't know that there is a connect
request. A java application has no such problem.
Both the client and the server's code is on one machine, so it shouldn't
be some security problem for that.
My suspect the when the applet want to open a socket and connect it to a
port on a machine, it first check whether that's Java Server socket
there, otherwise, it just close itself.
Thank you very much for any suggetion.