import java.net.* ;

public class ReverseServer {
     public static void main (String [] args ) {
        try
        {
            ServerSocket ss = new ServerSocket ( 7002 ) ;
            boolean bRunning = true ;
            while ( bRunning )
            {
                  Socket s = ss.accept () ;
                  new Thread (new Servicer (s) ).start () ;//为每一个连线的用户创建一个线程，互不干扰
            }
            ss.close() ;
        }
        catch ( Exception e )
        {
            e.printStackTrace() ;
        }
     }
}

------解决方案--------------------
楼主不是要做外挂吧...