In this chapter, we are going to discuss the Cisco Common Classification Policy Language (C3PL), its functions, components, and why it's important when configuring the Cisco IOS router to act as firewall on the network. Next, we'll dive into configuring a Zone-Based Firewall on a Cisco IOS router using both the Cisco Configuration Professional (CCP) software and the command-line interface.
The following topics will be covered in this chapter:
- Zone-Based Firewall terminologies
- Cisco Common Classification Policy Language
- Configuring a Zone-Based Firewall using CCP
- Configuring a Zone-Based Firewall via CLI