I know that if I want to have requests for MyPage.aspx go to the class called MyHandler in the assembly called MyAssembly, I can add this to my web.config file:
You can put a web.config in the NoHandler
folder that defines a different handler (NotFound if you want to server a 404 style, etc). Same format as your current web.config
, just put only the elements you want to override like the handler.
Here's an example if you want to override with a 404 in that directory: