Part V: Protecting Your Network

Chapter List

Chapter 21: Backing Up Your Data

Chapter 22: Securing Your Network

Chapter 23: Hardening Your Network

In this part …

One of the major annoyances of running a network is keeping the network safe. The world is full of crazy people who get their kicks from trying to bring innocent networks like yours to their knees.

The chapters in this part describe the most important things you can do as a network administrator to keep your network safe. You'll learn about backing up critical data, protecting your network from viruses and other threats, and hardening your Internet connection to keep intruders at bay.