Try using a web browser to visit ` – Dropbox displays a message:
> 404 We can’t find what you’re looking for.
(although displaying the message does require javascript...)
* * *
Requesting the page via `curl`:
$ curl -IL '
HTTP/2 301
...
location: /s/raw/hn28qgjn59nud6h/ceph-all-in-one.box
...
HTTP/2 400
With a different `User-Agent` header:
$ curl -A cruel -IL '
HTTP/2 200
...
$ curl -s -A cruel ' |
> grep -om1 '