"X-Amz-SignedHeaders":  "host;x-amz-content-sha256;x-amz-date",
				"X-Amz-Credential":     fmt.Sprintf(credentialTemplate, accessKeyID, now.Format(yyyymmdd), "us-west-1"),
				"X-Amz-Content-Sha256": payloadSHA256,
			},
			region:   "us-west-1",
			expected: ErrUnsignedHeaders,
		},
		// (3) Should fail to extract headers if the host header is not signed.
		{
			queryParams: map[string]string{

	go s.ztunnelServer.Run(ctx)
}

func (s *NetServer) Stop() {
	log.Debug("removing host iptables rules")
	s.iptablesConfigurator.DeleteHostRules()

	log.Debug("destroying host ipset")
	s.hostsideProbeIPSet.Flush()
	if err := s.hostsideProbeIPSet.DestroySet(); err != nil {
		log.Warnf("could not destroy host ipset on shutdown")
	}
	log.Debug("stopping ztunnel server")
	s.ztunnelServer.Close()
}

	}

	hosts := endpoints.hostsSorted()
	remote = make([]*peerRESTClient, 0, len(hosts))
	all = make([]*peerRESTClient, len(hosts))
	for i, host := range hosts {
		if host == nil {
			continue
		}
		all[i] = newPeerRESTClient(host, endpoints.FindGridHostsFromPeer(host))
		remote = append(remote, all[i])
	}
	if len(all) != len(remote)+1 {

	ObjectAPI func() ObjectLayer
}

// getHost tries its best to return the request host.
// According to section 14.23 of RFC 2616 the Host header
// can include the port number if the default value of 80 is not used.
func getHost(r *http.Request) string {
	if r.URL.IsAbs() {
		return r.URL.Host
	}
	return r.Host
}

func notImplementedHandler(w http.ResponseWriter, r *http.Request) {

	}

	// "x-amz-content-sha256" header value from the extracted result.
	extractedContentSha256 := extractedSignedHeaders.Get("x-amz-content-sha256")
	// "host" header value from the extracted result.
	extractedHost := extractedSignedHeaders.Get("host")
	//  "x-amz-date" header from the extracted result.
	extractedDate := extractedSignedHeaders.Get("x-amz-date")
	// extracted `expect` header.

) (map[string]*discovery.DiscoveryResponse, error) {
	return MultiRequestAndProcessXds(false, dr, centralOpts, istioNamespace, ns, serviceAccount, kubeClient, options)
}

type xdsAddr struct {
	gcpProject, host, istiod string
}

func getXdsAddressFromWebhooks(client kube.CLIClient) (*xdsAddr, error) {

	m := collectLocalMetrics(types, collectMetricsOpts{
		hosts: map[string]struct{}{
			globalLocalNodeName: {},
		},
	})

	for host, hm := range m.ByHost {
		if len(host) > 0 {
			if hm.Net != nil && len(hm.Net.NetStats.Name) > 0 {
				stats := hm.Net.NetStats
				labels := map[string]string{"interface": stats.Name}

	hosts := make([]string, len(records))
	for i, r := range records {
		hosts[i] = net.JoinHostPort(r.Host, string(r.Port))
	}
	return hosts
}

// returns an online host (and corresponding port) from a slice of DNS records
func getHostFromSrv(records []dns.SrvRecord) (host string) {
	hosts := getHostsSlice(records)
	rng := rand.New(rand.NewSource(time.Now().UTC().UnixNano()))
	var d net.Dialer

		tokens := strings.SplitN(arg, "=", 2)
		if len(tokens) != 2 {
			logger.Fatal(fmt.Errorf("invalid arguments passed to --sftp=%s", arg), "unable to start SFTP server")
		}
		switch tokens[0] {
		case "address":
			host, portStr, err := net.SplitHostPort(tokens[1])
			if err != nil {
				logger.Fatal(fmt.Errorf("invalid arguments passed to --sftp=%s (%v)", arg, err), "unable to start SFTP server")
			}
			port, err = strconv.Atoi(portStr)

	c.connMu.Lock()
	c.debugInConn = conn
	c.connMu.Unlock()
	if c.blockConnect != nil {
		// Block until we are allowed to connect.
		<-c.blockConnect
	}
	if req.Host != c.Remote {
		err := fmt.Errorf("expected remote '%s', got '%s'", c.Remote, req.Host)
		if debugPrint {
			fmt.Println(err)
		}
		return err
	}
	if c.shouldConnect() {
		if debugPrint {