title: Azure CDN returning 404 while origin url doesn't
body: <p>I've created a cdn service and set the origin url to a azure website which runs iis-node that serves a NodeJS web application, when trying to access static resources the cdn always return 404 while the same pathname works when accessing the resource through the origin url,</p>
  
  <p>anything that i might be missing here?</p>
  
  <p>thanks!</p>