Defining a VPN
Introduction
In this chapter, we cover concepts of virtual private networks (VPNs), how they operate, and the different types of VPNs in use today. Before we dive into the details, you may be thinking, “What is a VPN, and why would I need to use one?” There are several good reasons to implement VPN technology in your infrastructure, starting with security. A VPN is a means of creating secure communications over a public network infrastructure. VPNs use encryption and authentication to ensure information is kept private and confidential. This means you can share ...
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