Fix ESXi 5.5 install
Fix ESXi 5.5 install

Disable firewall during post install script to allow access
to the notification url.

lanchongyizu/on-http,keedya/on-http,lanchongyizu/on-http,lanchongyizu/on-http,keedya/on-http,larry-dean/on-http,RackHD/on-http,RackHD/on-http,larry-dean/on-http,RackHD/on-http,keedya/on-http,keedya/on-http,larry-dean/on-http,lanchongyizu/on-http,RackHD/on-http,larry-dean/on-http