With all of these processes taking place, we've forgotten about Global.asax. You may think - "What about global.asax?" Well, it too is an important part of the ASP.NET Processing Processes. Global.asax is actually the file which handles events coming from the HTTPApplication object as well as events in HTTPModules that you have. This makes it easier to use than an HTTPModule if you only need the functionality provided by it (instead of the whole HTTPModule).

See the Related Articles for more information on Global.asax.

Summary

Well, this article has gone over the general processing of an HTTP Request and how you an intercept and modify that request. There are a few articles in the Related Articles that a worth a look at if you want to know more about anything in there (as some of the stuff was also explained loosely for simplicity).