// Settings specific to this transport.
	tr.ResponseHeaderTimeout = timeout
	return tr
}

// NewHTTPTransportWithClientCerts returns a new http configuration used for
// communicating with client cert authentication.
func (s ConnSettings) NewHTTPTransportWithClientCerts(ctx context.Context, clientCert, clientKey string) (*http.Transport, error) {
	transport := s.NewHTTPTransportWithTimeout(1 * time.Minute)

	pluginAuthnServiceFailedRequestsMinuteMD = NewCounterMD(pluginAuthnServiceFailedRequestsMinute, "When plugin authentication is configured, returns failed requests count in the last full minute")
	pluginAuthnServiceLastFailSecondsMD      = NewCounterMD(pluginAuthnServiceLastFailSeconds, "When plugin authentication is configured, returns time (in seconds) since the last failed request to the service")

	cfg.PathPrefix = env.Get(EnvEtcdPathPrefix, kvs.Get(PathPrefix))
	if etcdSecure {
		cfg.TLS = &tls.Config{
			RootCAs: rootCAs,
		}
		// This is only to support client side certificate authentication
		// https://coreos.com/etcd/docs/latest/op-guide/security.html
		etcdClientCertFile := env.Get(EnvEtcdClientCert, kvs.Get(ClientCert))
		etcdClientCertKey := env.Get(EnvEtcdClientCertKey, kvs.Get(ClientCertKey))

//   notify:
//     endpoint: "https://notify.endpoint" # notification endpoint to receive job status events
//     token: "Bearer xxxxx" # optional authentication token for the notification endpoint

//   retry:
//     attempts: 10 # number of retries for the job before giving up
//     delay: "500ms" # least amount of delay between each retry

			Description: "label the server and its location",
		},
		config.HelpKV{
			Key:         config.APISubSys,
			Description: "manage global HTTP API call specific features, such as throttling, authentication types, etc.",
		},
		config.HelpKV{
			Key:         config.ScannerSubSys,
			Description: "manage namespace scanning for usage calculation, lifecycle, healing and more",
		},
		config.HelpKV{

	authTypePostPolicy
	authTypeStreamingSigned
	authTypeSigned
	authTypeSignedV2
	authTypeJWT
	authTypeSTS
	authTypeStreamingSignedTrailer
	authTypeStreamingUnsignedTrailer
)

// Get request authentication type.
func getRequestAuthType(r *http.Request) (at authType) {
	if r.URL != nil {
		var err error
		r.Form, err = url.ParseQuery(r.URL.RawQuery)
		if err != nil {
			authNLogIf(r.Context(), err)

//
//   notify:
//     endpoint: https://notify.endpoint # notification endpoint to receive job completion status
//     token: Bearer xxxxx # optional authentication token for the notification endpoint
//
//   retry:
//     attempts: 10 # number of retries for the job before giving up
//     delay: 500ms # least amount of delay between each retry

//go:generate msgp -file $GOFILE

		t.Fatalf("unable create credential, %s", err)
	}

	globalActiveCred = creds

	globalIAMSys.Init(ctx, objLayer, globalEtcdClient, 2*time.Second)

	// List of test cases for validating http request authentication.
	testCases := []struct {
		req     *http.Request
		s3Error APIErrorCode
	}{
		// When request is unsigned, access denied is returned.

	if c.TraceOutput != nil && resp.StatusCode != http.StatusOK {
		c.dumpHTTP(req, resp)
	}

	if resp.StatusCode != http.StatusOK {
		// If server returns 412 pre-condition failed, it would
		// mean that authentication succeeded, but another
		// side-channel check has failed, we shall take
		// the client offline in such situations.
		// generally all implementations should simply return

			},
			{
				Description: MetricDescription{
					Namespace: nodeMetricNamespace,
					Subsystem: iamSubsystem,
					Name:      "plugin_authn_service_last_succ_seconds",
					Help:      "When plugin authentication is configured, returns time (in seconds) since the last successful request to the service",
					Type:      gaugeMetric,
				},
				Value: pluginAuthNMetrics.LastReachableSecs,
			},
			{