/// <summary>
        ///     Ips the is authorized.
        /// </summary>
        /// <param name="context">The context.</param>
        /// <returns><c>true</c> if XXXX, <c>false</c> otherwise.</returns>
        private bool IpIsAuthorized(AuthorizationFilterContext context)
        {
            HttpRequest request = context.HttpContext.Request;
            string      ip      = HttpRequestExtensions.GetUserHostAddress(request.HttpContext.Request);

            if (string.IsNullOrEmpty(ip))
            {
                return(false);
            }

            if (this.ValiadIPRegex == null)
            {
                return(ip == "::1");
            }

            return(this.ValiadIPRegex.IsMatch(ip) || ip == "::1");
        }