Web Application Defense At The Gates – Leveraging IHttpModule. Whitepaper describing how the IHttpModule that comes with the .Net framework can be used to man-in-the-middle HTTP transactions in order to help filter against input validation attacks.
You can download it from the following link: https://packetstormsecurity.com/files/download/36777/WebApp_HTTPMod.pdf
Source: https://packetstormsecurity.com/files/36777/WebApp_HTTPMod.pdf.html