try {
Socket socket = NetUtils.createSocket(server, Constants.DEFAULT_TCP_PORT, false);
Transfer transfer = new Transfer(null);
transfer.setSocket(socket);
transfer.init();
transfer.writeInt(Constants.TCP_PROTOCOL_VERSION_6);
transfer.writeInt(Constants.TCP_PROTOCOL_VERSION_9);
transfer.writeString(null);
transfer.writeString(null);
transfer.writeString(id);
transfer.writeInt(SessionRemote.SESSION_CHECK_KEY);