Description:    "The request was rejected because the policy document was malformed.",
		HTTPStatusCode: http.StatusBadRequest,
	},
	ErrSTSInsecureConnection: {
		Code:           "InsecureConnection",
		Description:    "The request was made over a plain HTTP connection. A TLS connection is required.",
		HTTPStatusCode: http.StatusBadRequest,
	},
	ErrSTSInvalidClientCertificate: {