Lesson Learned: HTTP Modules Can Also Affect WebResource.axd

ASP.NET features some built in handlers, WebResource.axd and ScriptResource.axd, serving builtin scripts for e.g. postback or client side form validation. Take note that HTTP modules are hooked into the event pipeline for each and every request handled by the ASP.NET application, including requests to the WebResource.axd and ScriptResource.axd handlers. Depending on the HttpModule, this can have undesired side effects. ...