Summary
This chapter provided an overview of intrusion detection. It started by providing an explanation of intrusion detection, its role in the total security solution, and the different forms that intrusion detection can assume within the network. The chapter then looked at the intrusion detection offerings available from Cisco Systems and provided a brief explanation of each of these and their associated features. It concluded by looking at some configuration examples for both the Cisco IOS Firewall IDS and the Cisco Secure PIX Firewall IDS.
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