return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
		if origin := w.Header().Get("Access-Control-Allow-Origin"); origin == "null" {
			// This is a workaround change to ensure that "Origin: null"
			// incoming request to a response back as "*" instead of "null"
			w.Header().Set("Access-Control-Allow-Origin", "*")
		}
		if globalDNSConfig == nil || !globalBucketFederation ||

	}

	respElements := map[string]string{
		"x-amz-request-id": args.RespElements["requestId"],
		"x-amz-id-2":       args.RespElements["nodeId"],
		"x-minio-origin-endpoint": func() string {
			if globalMinioEndpoint != "" {
				return globalMinioEndpoint
			}
			return getAPIEndpoints()[0]
		}(), // MinIO specific custom elements.
	}

                "sourceIPAddress" : "127.0.0.1:38062"
              },
              "responseElements" : {
                "x-amz-request-id" : "14B09A09703FC47B",
                "x-minio-origin-endpoint" : "http://192.168.86.115:9000"
              },
              "s3" : {
                "s3SchemaVersion" : "1.0",
                "configurationId" : "Config",
                "bucket" : {

    "Accept-Ranges": "bytes",
    "Content-Length": "0",
    "ETag": "4939450d1beec11e10a91ee7700bb593",
    "Server": "MinIO",
    "Strict-Transport-Security": "max-age=31536000; includeSubDomains",
    "Vary": "Origin,Accept-Encoding",
    "X-Amz-Request-Id": "16ABE7A785E7AC2C",
    "X-Amz-Server-Side-Encryption": "aws:kms",
    "X-Amz-Server-Side-Encryption-Aws-Kms-Key-Id": "arn:aws:kms:my-minio-key",

```
curl http://minio1:9001/minio/health/cluster
HTTP/1.1 503 Service Unavailable
Accept-Ranges: bytes
Content-Length: 0
Server: MinIO
Vary: Origin
X-Amz-Bucket-Region: us-east-1
X-Minio-Write-Quorum: 3
X-Amz-Request-Id: 16239D6AB80EBECF
X-Xss-Protection: 1; mode=block
Date: Tue, 21 Jul 2020 00:36:14 GMT
```

### Cluster-readable probe

	referrerPolicy := env.Get(EnvBrowserReferrerPolicy, kvs.GetWithDefault(browserReferrerPolicy, DefaultKVS))
	switch referrerPolicy {
	case "no-referrer", "no-referrer-when-downgrade", "origin", "origin-when-cross-origin", "same-origin", "strict-origin", "strict-origin-when-cross-origin", "unsafe-url":
		cfg.ReferrerPolicy = referrerPolicy
	default:
		return cfg, fmt.Errorf("invalid value %v for %s", referrerPolicy, browserReferrerPolicy)
	}

    Notices displayed by works containing it; or

    c) Prohibiting misrepresentation of the origin of that material, or
    requiring that modified versions of such material be marked in
    reasonable ways as different from the original version; or

    d) Limiting the use for publicity purposes of names of licensors or
    authors of the material; or

expanded_policy_count=$(./mc admin policy list myminio/ | wc -l)

if [ $user_count -ne $expanded_user_count ]; then
	echo "BUG: original user count differs from expanded setup"
	exit 1
fi

if [ $policy_count -ne $expanded_policy_count ]; then
	echo "BUG: original policy count  differs from expanded setup"
	exit 1
fi

./mc version info myminio/versioned | grep -q "versioning is enabled"
ret=$?

	Number     int               `json:"number"`
	Size       int64             `json:"size"`       // Size of the part on the disk.
	ActualSize int64             `json:"actualSize"` // Original size of the part without compression or encryption bytes.
	ModTime    time.Time         `json:"modTime"`    // Date and time at which the part was uploaded.
	Index      []byte            `json:"index,omitempty" msg:"index,omitempty"`

	storageRESTDiskID        = "disk-id"
	storageRESTForceDelete   = "force-delete"
	storageRESTGlob          = "glob"
	storageRESTMetrics       = "metrics"
	storageRESTDriveQuorum   = "drive-quorum"
	storageRESTOrigVolume    = "orig-volume"
)

type nsScannerOptions struct {
	DiskID   string          `msg:"id"`
	ScanMode int             `msg:"m"`
	Cache    *dataUsageCache `msg:"c"`
}

type nsScannerResp struct {