Virtual Private Network (VPN)

Virtual Private Network (VPN)

A virtual private network (VPN) is a technology that creates a safe and encrypted connection over a less secure network, such as the internet. VPN technology was developed as a way to allow remote users and branch offices to securely access corporate applications and other resources. To ensure safety, data travels through secure tunnels and VPN users must use authentication methods -- including passwords, tokens and other unique identification methods -- to gain access to the VPN.

Types of VPN protocols:

1. Internet Protocol Security or IPSec:

2. Layer 2 Tunneling Protocol (L2TP):

3. Point – to – Point Tunneling Protocol (PPTP):

4. Secure Sockets Layer (SSL) and Transport Layer Security (TLS):

5. OpenVPN:

6. Secure Shell (SSH):

VPN Software:

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