When we talk about a VPN (Virtual Private Network), we generally refer to a secure Internet connection enabled by tunneling technologies. A VPN entails a secure tunnel through which data traffic from a computer is transmitted over a public network such as the Internet. Tunneling technologies and authentication protocols determine the level of encryption used to secure the VPN tunnel, and therefore also determine the level of security provided by the VPN service.
There are more than four VPN protocols, including PPTP (Point-to-Point Tunneling Protocol), L2TP (Layer Two Tunneling Protocol), IPSec (Internet Protocol Security), OpenVPN, SSTP (Secure Socket Tunneling Protocol), and SSL VPN (Secure Sockets Layer VPN). Some are easy to deploy while others require more complex resources. Likewise, some provide higher levels of security while others provide basic Internet security.
PPTP – This is the most widely implemented VPN protocol for the reason that it is natively supported on devices running Windows (2000, XP, and server 2003) and Mac OS X. It’s also supported on the mobile platforms iOS and Android. It uses Point-to-Point authentication and MPPE (Microsoft Point-to-Point Encryption) to encrypt data traffic. PPTP is a fairly secure technology when used the password-based authentication method of MS-CHAP v2. It provides data confidentiality and it is ideal for personal VPN on mobile devices that require basic online security. PPTP is torrent protocol and pia torrenting is best in it.