Configuring Ubuntu Server As a VPN Server
Apress eBooks · 2009
I f you need to connect securely to a server that is not on your site, one option is to purchase a dedicated line. Unfortunately, dedicated lines are expensive. A cheap and very common alternative is to configure a Virtual Private Network (VPN), a connection between two sites or two computers that goes over the Internet. VPNs are available as hardware appliances, but it is relatively easy to configure Linux as a VPN server.