In this article, we will review how to set up a secure and efficient environment. Logically, it is comparable to the setups used in large corporations like banks, governments, military, insurance companies etc. We will do this using a single computer with 4GB RAM, apache mod_proxy in reverse proxy mode and the freely available vmware-server. All products used in this setup are either open-source or available for free. The hardware cost of such a system should be around 1300$. There is no software cost.