title: IIS & ASP.NET blocking file
body: <p>I have an ASP.NET app running in IIS that is hosting files all great but it blocks all *.upd files and says http 404.</p>
  
  <p>If I turn directory listing on it lists the file just great but I cant download it any way...</p>
  
  <p>Is there any way to fix this?</p>