I was trying to get a web application we’re building using a commercial CMS system up and running on my localhost today. I checked the ASP.NET source code out of our source control repository, and configured my local IIS instance to host the site. The site started up successfully, but I noticed it wasn’t loading any of the CSS files. After viewing the page source, the URL’s to the CSS files looked correct, but when I attempted to browse them I received the dreaded 401.3: I poured over the file system security of that local...