Using an ASP.NET UpdatePanel behind a reverse proxy

After putting my ASP.NET web forms application that utilized UpdatePanels (and therefore the ASP.NET AJAX WebForms library) behind a reverse proxy, we found that all of our AJAX enabled content was coming up with the error: Sys.WebForms.PageRequestManagerParserErrorException: The message received from the server could not be parsed. Common causes for this error are when the response is … More Using an ASP.NET UpdatePanel behind a reverse proxy