The following should work for App FW offline bundle for 5.5.0 GA, I'll see if I can get the 5.5.0a, and 5.5.2 links as well or if they are the same. (If you have 5.5.1 you're affected by heartbleed get off that~).
https://vShield_Manager_IP/bin/offline-bundles/VMware-vShield-fastpath-esx5x-5.5.0-1280404.zip
