We have previously spoken extensively about VPN and several Free VPN options available in the market. In this article we try to explain different types of VPNs and their advantages (and disadvantages). But before we dwelve into that, a very brief introduction about VPNs.

What is a VPN?

A VPN ( or Virtual Private Network) is a way of creating a secure connection 'to' and 'from' a network or a computer. The VPN uses strong encryption and restricted, private data access which keeps the data secure from the other users of the underlying network which could often be a public network like the Internet. VPNs have been used for years, but they have become more robust only in recent years. They are more affordable and also much faster.

Types of VPN

There are many different types of VPNs available. Let's take a look at most common types.

1. PPTP VPN

This is the most common and widely used VPN protocol. They enable authorized remote users to connect to the VPN network using their existing Internet connection and then log on to the VPN using password authentication. They don't need extra hardware and the features are often available...