router.PathPrefix("/debug/pprof/").HandlerFunc(pprof.Index)
	}
	registerHome(router, mainLayout)

	addr := o.Address
	if addr == "*" {
		addr = ""
	}

	// Canonicalize the address and resolve a dynamic port if necessary
	listener, err := net.Listen("tcp", fmt.Sprintf("%s:%d", addr, o.Port))
	if err != nil {
		log.Errorf("Unable to start ControlZ: %v", err)
		return nil, err
	}

			}
		}
		addr := l.Addr()
		hosts = append(hosts, "http://"+addr.String())
		listeners = append(listeners, l)
	}
	return
}

func startHTTPServer(listener net.Listener, handler http.Handler) (server *httptest.Server) {
	server = httptest.NewUnstartedServer(handler)
	server.Config.Addr = listener.Addr().String()
	server.Listener = listener
	server.Start()

	istiolog.Info("initializing secure webhook server for istiod webhooks")
	// create the https server for hosting the k8s injectionWebhook handlers.
	s.httpsMux = http.NewServeMux()
	s.httpsServer = &http.Server{
		Addr:      args.ServerOptions.HTTPSAddr,
		ErrorLog:  log.New(&httpServerErrorLogWriter{}, "", 0),
		Handler:   s.httpsMux,
		TLSConfig: tlsConfig,
	}