protected void startService() throws Exception {
   dcmsrv.addHandshakeFailedListener(tlsConfig.handshakeFailedListener());
   dcmsrv.addHandshakeCompletedListener(tlsConfig.handshakeCompletedListener());
   dcmsrv.setServerSocketFactory(tlsConfig.serverSocketFactory(protocol.getCipherSuites()));
   dcmsrv.start();
 }