ZBF vs ASA vs FTD: Which Firewall Belongs Where
Cisco sells three different stateful firewalls, and engineers argue about which one is "best" as if there were
Firewall
Stateful inspection, policy design and traffic control at the perimeter. Articles tagged Firewall cover rule structure, NAT interaction and the packet path through the box.
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Zone-Based Firewall on Cisco IOS XE: Zones, Zone-Pairs, and the Policy Model
The Zone-Based Firewall (ZBF) is the stateful firewall that lives inside Cisco IOS XE. It is not a bolt-