The server runs on port 8080

On the uploader do

curl -T "hiddenempire.ogg" -Lv http://myserver.com:8080/ 2>&1

The uploader will get an HTTP 307 redirect
The location of the redirect is the same place to download from
Put that location into the download as such

curl http://myserver.com:8080/relays/0/hiddenempire.ogg > 
hiddenempire.ogg