SecurityExeptionEx?

        try
        {
            socket = new Socket (host, Integer.parseInt (port));
            InputStream ii = socket.getInputStream ();
            OutputStream oo = socket.getOutputStream ();

            i = new DataInputStream (new BufferedInputStream (ii));
            o = new DataOutputStream (new BufferedOutputStream (oo));
            o.writeUTF (nameInput);
            o.flush ();
            Outputs.appendText ("Connection established...\n");
        }
        catch (IOException ex)
        {
            ex.printStackTrace ();
        }

ServerSocket server = new ServerSocket(port);
                while (true)
                {
                        Socket client = server.accept();
                        System.out.println("Accepted from " + client.getInetAddress());
                        
                        handler c = new handler(client);
                        
                        c.start();
                        System.out.println("Users connected: " + String.valueOf(c.handlers.size()+1));

                        
                }