Get the real real requested URL using IIS7

Using ASP.Net, I am trying to determine the actual URL requested by the user. For example if I type the following into my address bar:

http://mysite/////one//two

Fiddler shows me that this is the URL being sent over the wire however by the time it reaches ASP.Net al开发者_StackOverflow社区l of the variables in HttpContext.Current.Request are showing this URL:

http://mysite/one/two

The IIS logs show the same cleaned up version of the URL as ASP.Net. This causes some of the relative links on the site to break so I would like to at least detect and log these requests. I am using IIS7 on Windows 7 and .Net 3.5 SP1.

What is doing this translation and how can I find out the original URL?

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The original URL can be reconstructed using Request.ServerVariables["HTTP_URL"] which has the original unprocessed path.