metacacheMaxClientWait = 3 * time.Minute

	// metacacheBlockSize is the number of file/directory entries to have in each block.
	metacacheBlockSize = 5000

	// metacacheSharePrefix controls whether prefixes on dirty paths are always shared.
	// This will make `test/a` and `test/b` share listings if they are concurrent.
	// Enabling this will make cache sharing more likely and cause less IO,

1.14. "You" (or "Your")
    means an individual or a legal entity exercising rights under this
    License. For legal entities, "You" includes any entity that
    controls, is controlled by, or is under common control with You. For
    purposes of this definition, "control" means (a) the power, direct
    or indirect, to cause the direction or management of such entity,
    whether by contract or otherwise, or (b) ownership of more than

### List of Amazon S3 Bucket API's not supported on MinIO

- BucketACL (Use [bucket policies](https://min.io/docs/minio/linux/administration/identity-access-management/policy-based-access-control.html) instead)
- BucketCORS (CORS enabled by default on all buckets for all HTTP verbs, you can optionally restrict the CORS domains)

// array position can be safely represented inside a JSON string, embedded
// inside of HTML <script> tags, without any additional escaping.
//
// All values are true except for the ASCII control characters (0-31), the
// double quote ("), the backslash character ("\"), HTML opening and closing
// tags ("<" and ">"), and the ampersand ("&").
var htmlSafeSet = [utf8.RuneSelf]bool{
	' ':      true,
	'!':      true,

	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 ||

## **2. Prerequisites**

	"github.com/minio/pkg/v2/env"
)

const (
	// EnvIdentityTLSEnabled is an environment variable that controls whether the X.509
	// TLS STS API is enabled. By default, if not set, it is enabled.
	EnvIdentityTLSEnabled = "MINIO_IDENTITY_TLS_ENABLE"

	// EnvIdentityTLSSkipVerify is an environment variable that controls whether
	// MinIO verifies the client certificate present by the client
	// when requesting temp. credentials.

	"time"

	"golang.org/x/sys/unix"
)

func setTCPParametersFn(opts TCPOptions) func(network, address string, c syscall.RawConn) error {
	return func(network, address string, c syscall.RawConn) error {
		c.Control(func(fdPtr uintptr) {
			// got socket file descriptor to set parameters.
			fd := int(fdPtr)

			_ = unix.SetsockoptInt(fd, unix.SOL_SOCKET, unix.SO_REUSEADDR, 1)

		bugLogIf(GlobalContext, err)
		return nil
	}
	return buf.Bytes()
}

// Use this encodeResponseList() to support control characters
// this function must be used by only ListObjects() for objects
// with control characters, this is a specialized extension
// to support AWS S3 compatible behavior.
//
// Do not use this function for anything other than ListObjects()

	AmzFwdErrorMessage             = "x-amz-fwd-error-message"
	AmzFwdHeaderAcceptRanges       = "x-amz-fwd-header-accept-ranges"
	AmzFwdHeaderCacheControl       = "x-amz-fwd-header-Cache-Control"
	AmzFwdHeaderContentDisposition = "x-amz-fwd-header-Content-Disposition"
	AmzFwdHeaderContentEncoding    = "x-amz-fwd-header-Content-Encoding"
	AmzFwdHeaderContentLanguage    = "x-amz-fwd-header-Content-Language"