Chapter 2. Cisco Firewall Families Overview

“Common sense is the best distributed commodity in the world, for every man is convinced that he is supplied with it.”René Descartes

Chapter 1, “Firewalls and Network Security,” introduced the subject of firewalls and the role they play within the context of network security. After exploring the main categories of firewalls, the evolution of the specific technology of stateful firewalls has been outlined.

This chapter is intended to complement the previous one, by promoting a quick review of Cisco hardware platforms that host stateful firewall ...

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