The PHP configuration on our Drupal site limits how large a file one can upload. It turns out, we can link anything in AFS through this site, with the appropiate paths and permissions.
All of the file content on this site is stored in AFS at
/afs/unity.ncsu.edu/web/x/xteams_oit/drupal/xteams.oit.ncsu.edu.iso/files
This path maps to the URL
http://xteams.oit.ncsu.edu/iso/sites/xteams.oit.ncsu.edu.iso/files/
As you can tell by clicking on it, browsing of files is not allowed, you must know the name of the file to which you're trying to link.