Use IPsec to Encrypt Data

 Executive Summary:

IPsec can encrypt data transmitted between servers, but you need to know the basics before you start. This primer takes you through terms and processes and ends with a walk-through of how to configure an IPsec policy that prevents data transmitted between two servers from being captured..

Although data encryption may be the most well known (and most often used) feature of IPsec, its authentication and other features can play an important part in your defense-in-depth strategy for protecting valuable business data. IPsec often causes fear in the hearts of systems administrators, as there are many aspects of the protocol that need to be understood before it can be deployed. However, it can be relatively simple to work with if you understand the basics. Let's take a brief look at IPsec features and terminology, then I'll walk you through how to configure IPsec in a simple scenario involving two servers on a network. . . .