VPN (Virtual Private Network) is a technology used to create secure connection over a private network owned by a service provider and public network such as internet. Nowadays, most of the agencies, institutions, government offices, etc. across worldwide use VPN (Virtual private Network) technology to facilitate remote users to securely connect with a private network.
However, there are certain networking protocols you have to choose for your VPN in order to transport data securely over public network infrastructure. The most common protocols are as follows:
PPTP (Point to Point Tunneling Protocol): This protocol is used since from Windows 95 operating system. The main advantage of PPTP is its great starting point for your VPN and supports almost all Windows, Mac and Android OS without any issues. But in recent years it has been called into questions because of least secure VPN method.
L2TP (Layer 2 Tunneling Protocol): It is also known as IPsec (Internet Protocol Security) is more secure when compare to PPTP and widely utilized to tunnel data transportation traffic among two sites over internet. But L2TP is more complicated to setup and in recent years it has been called in questions as PPTP is and one more thing, implementing VPN using L2TP requires a shared key.
SSL (Secure Socket Layer) and TLS (Transport Layer Security): These two layers make use of cryptography and provide the high level security over internet whenever you enter into sensitive domains like banking sites. These protocols operate on handshake method that involves a cooperation of network parameters between server and client computers \ laptops. To fruitfully start a connection, a verification process linking certificates is used and these certificates are stored on both the client as well as server machines.
Benefits of VPN:
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