Karl Seguin [MVP] : Global.asax? Use HttpModules Instead! In a previous post, I talked about HttpHandlers - an underused but incredibly useful feature of ASP.NET. Today I want to talk about HttpModules, which are probably more common than HttpHandlers, but could still stand to be advertised a bit more.HttpModules In a previous post, I talked about HttpHandlers - an underused but incredibly useful feature of ASP.NET. Today I want to talk about HttpModules, which are probably more common than HttpHandlers, but could still stand to be advertised a bit more. HttpModules beforecoffeegrabreading in .NETwith featureincrediblynetpostprevioustalkedtodayunderused