UserGate Web Filter - Software Appliance
You can install UserGate Web Filter on Ubuntu Server 12.04. Refer to the Installation manual for further details.
Installing the package using an ISO image
As an alternative to downloading and installing the UserGate Web Filter package from repositories, there is the option to install it from a specially prepared ISO image. In this case, the Ubuntu/Debian operating system is deployed to your computer from the disc, with a preconfigured instance of UserGate Web Filter.