Hey guys, Well, I''m not expecting that this will work, but thought I''d give it a shot anyway. I have two sites in IIS, one is a .NET site on port 80, and another is a rails site on a different port. Ideally, it would be awesome to have both apps running on port 80. Here are some details. There are no .NET apps at the root, they are all under subdirectories. The root contains one single index.html file that links to the various .NET apps. Is it possible to tell the isapi rewrite filter to ignore certain subdiretories? For example everything would be rails stuff except for /dir1 and /dir2 and so on. Just tryng to get some ideas if this is even possible or not. Thanks all, Jin