title: Amazon S3, getting "Duplicate headers received" when trying to download file
body: <p>This only happens in Chrome, works great in Safari. Chrome is complaining that duplicate content-disposition headers are being received. When I upload a file to S3 I set the content disposition so that I can name the file upon download and also ensure it gets downloaded as an attachment (not inline).</p>
  
  <p>Here's what I'm getting specifically:</p>
  
  <p><img src="https://i.stack.imgur.com/MkGJl.png" alt="enter image description here"></p>