Chapter 2: Technical Primer

This chapter addresses some of the underlying technology that makes up the communication that IPSec is part of. It also investigates other VPN standards and introduces the operations of cryptography.

The primary subject of this chapter is the TCP/IP protocol and where IPSec fits into the process. It is absolutely necessary to understand the basics of TCP/IP and the fundamental structure that allows IPSec to provide the security services.

To fully appreciate the IPSec protocol, it is necessary to not only be aware of, but to have a basic understanding of other VPN standards. There are several other standards and protocols that provide VPN connectivity at different levels within the operating environment to accomplish ...

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