lifecycleResponse:  []byte(""),
			errorResponse: APIErrorResponse{
				Resource: SlashSeparator + bucketName + SlashSeparator,
				Code:     "AccessDenied",
				Message:  "Access Denied.",
			},
			shouldPass: false,
		},
		// GET wrong credentials
		{
			method: http.MethodGet, bucketName: bucketName,
			accessKey:          "abcd",
			secretKey:          "abcd",

		}
	}

	// TestXLStorage for permission denied.
	if runtime.GOOS != globalWindowsOSName {
		permDeniedDir := createPermDeniedFile(t)
		if err = os.Chmod(permDeniedDir, 0o400); err != nil {
			t.Fatalf("Unable to change permission to temporary directory %v. %v", permDeniedDir, err)
		}

		// Initialize xlStorage storage layer for permission denied error.
		_, err = newLocalXLStorage(permDeniedDir)

	// Validate that the client cannot remove any objects
	err = minioClient.RemoveObject(ctx, bucket, "someobject", minio.RemoveObjectOptions{})
	if err.Error() != "Access Denied." {
		c.Fatalf("unexpected non-access-denied err: %v", err)
	}
}

func (s *TestSuiteIAM) TestSTSWithGroupPolicy(c *check) {
	ctx, cancel := context.WithTimeout(context.Background(), testDefaultTimeout)
	defer cancel()

			//   HTTP status code 404 ("no such key")
			//   error.
			// * if you don’t have the s3:ListBucket
			//   permission, Amazon S3 will return an HTTP
			//   status code 403 ("access denied") error.`
			if globalPolicySys.IsAllowed(policy.BucketPolicyArgs{
				Action:          policy.ListBucketAction,
				BucketName:      bucket,
				ConditionValues: getConditionValues(r, "", auth.AnonymousCredentials),

	ctx, cancel := context.WithTimeout(context.Background(), testDefaultTimeout)
	defer cancel()

	// we need to do this so that the user has a policy before authentication.
	// ldap user accounts without policies are denied access in sftp.
	policy := "mypolicy"
	policyBytes := []byte(`{
 "Version": "2012-10-17",
 "Statement": [
  {
   "Effect": "Allow",
   "Action": [
    "s3:PutObject",
    "s3:GetObject",

	return "Object exists on : " + e.Bucket + " as directory " + e.Object
}

// PrefixAccessDenied object access is denied.
type PrefixAccessDenied GenericError

func (e PrefixAccessDenied) Error() string {
	return "Prefix access is denied: " + e.Bucket + SlashSeparator + e.Object
}

// BucketExists bucket exists.
type BucketExists GenericError

func (e BucketExists) Error() string {

	}
	// 2.3 check user has access to bucket
	c.mustListObjects(ctx, uClient, bucket)
	// 2.3 check that user cannot delete the bucket
	err = uClient.RemoveBucket(ctx, bucket)
	if err == nil || err.Error() != "Access Denied." {
		c.Fatalf("bucket was deleted unexpectedly or got unexpected err: %v", err)
	}

	// 3. Craft a request to update the user's permissions
	ep := s.adm.GetEndpointURL()
	urlValue := url.Values{}

Failing to do so can be an availability risk (if we deny traffic that should succeed) or a security risk (if we allow traffic that should be denied).

## High level overview

At a high level, the relevant components look as such:

```mermaid
flowchart TD
    CNIP["CNI Plugin"]
    CNI["CNI Agent"]
    Z["Ztunnel"]
    Pods["Pods"]

	// List of test cases for validating http request authentication.
	testCases := []struct {
		req     *http.Request
		s3Error APIErrorCode
	}{
		// When request is unsigned, access denied is returned.
		{mustNewRequest(http.MethodGet, "http://127.0.0.1:9000", 0, nil, t), ErrAccessDenied},
		// Empty Content-Md5 header.

		return nil, err
	}

	if !hold.Status.Valid() {
		return nil, ErrMalformedXML
	}
	return
}

// FilterObjectLockMetadata filters object lock metadata if s3:GetObjectRetention permission is denied or if isCopy flag set.
func FilterObjectLockMetadata(metadata map[string]string, filterRetention, filterLegalHold bool) map[string]string {
	// Copy on write
	dst := metadata
	var copied bool