A Virtual Private Network (VPN) is a secure private network connection over a public network such as the internet. VPNs are used to connect remote offices, employees, and other mobile users to a company’s network. A VPN can also be used to secure your internet connection when you are using an unsecured public Wi-Fi network.

There are a number of different VPN protocols that can be used, but the most popular ones are PPTP, L2TP/IPSec, and OpenVPN. PPTP is the most popular because it is very easy to set up and is supported by most devices. L2TP/IPSec is more secure …