Intranet Support

Hi,
I am planning to recommend WP Fastest Cache to my client. We are developing an WordPress Intranet Portal with a lot if pages / posts / media. As this is a Intranet Portal with the hosting server deployed in the Local Network, (The site is restricted from Internet), I am checking if your plugin will work without public access i.e. Will you plugin work on a Intranet server disconnected from the Internet access? Is there any special setup that needs to be done?