title: How to allow download of .json file with ASP.NET
body: <p>How can I enable the download of *.json files from an old ASP.NET site (IIS6 I am led to believe)?</p>
  
  <p>I am getting a 404 page instead of the JSON file.</p>
  
  <p>Do I need to create a web.config file? What goes in it?</p>