ok, thanks, that settles that, but I still need the VIB for my image and none of these seem to work...

5.1.2:

https://vShield_Manager_IP/bin/offline-bundles/VMware-vShield-fastpath-esx5x-5.1.2-896234.zip
https://vShield_Manager_IP/bin/offline-bundles/vShield-Endpoint-Mux.zip

5.1.1:

https://vShield_Manager_IP/bin/offline-bundles/VMware-vShield-fastpath-esx5x-5.1.1-832470.zip
https://vShield_Manager_IP/bin/offline-bundles/vShield-Endpoint-Mux.zip

5.1.0:

https://vShield_Manager_IP/bin/offline-bundles/VMware-vShield-fastpath-esx5x-5.1.0-766127.zip
https://vShield_Manager_IP/bin/offline-bundles/vShield-Endpoint-Mux.zip

5.0.x:

https://vShield_Manager_IP/bin/offline-bundles/VMware-vShield-fastpath-esx5x-5.0.1-556798.zip
https://vShield_Manager_IP/bin/offline-bundles/vShield-Endpoint-Mux.zip