CHAPTER 9

Authentication and Remote Access

In this chapter, you will

  • Learn about the methods and protocols for remote access to networks
  • Discover authentication, authorization, and accounting (AAA) protocols
  • Be introduced to authentication methods and the security implications in their use
  • Cover virtual private networks (VPNs) and their security aspects
  • Explore Internet Protocol Security (IPsec) and its use in securing communications

Remote access enables users outside a network to have network access and privileges as if they were inside the network. Being outside a network means that the user is working on a machine that is not physically connected to the network and must therefore establish a connection through a remote means, such as ...

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