The major purpose of this article is to discuss about virtual private network. Virtual Private Network enables you to apply internet to attach to machines while building certain that the associations are personal. VPN is incredibly suitable, but it is not essential if you desire distant clients to attach to you Linux or Unix server. VPN can go as speedy as other types of link and can be quicker if there is fast internet link at both ends of the network. Actually VPN servers can be as speedy as any other internet links although there are several things that you should do to have quicker VPN internet speeds.