Chapter 8. Router Security

“Faith is being sure of what you hope for and certain of what you cannot see”

—Hebrews 11:1

By the end of this chapter, you should know and be able to describe the following:

• The major components of Zone Based Firewall (ZFW) for routers

• The value of using the IOS-based intrusion detection functionality and the Cisco Firewall Feature Set (FFS)

• The breadth and scope of techniques used to secure your router to include a secure router template

• Securing your “routing” protocol: OSPF

Answering these key questions will enable you to understand the overall characteristics and importance of network security. By the time you finish this book, you will have a solid appreciation for network security, its issues, how it works, and why it is important.