Web Reference: My example PMAP action will be to inspect the class map. Here you can also define the policy action to pass or drop traffic. Step 5 you will create a service policy by naming it and identifying the flow in which traffic is going and identifying the zone membership (zone-membership) and use the names of the zones we created. CBAC Definition ip inspect name FWOUT tcp ip inspect name FWOUT udp ip inspect name FWOUT icmp Seems pretty complete doesn’t it? With this simple configuration, most things will work. Earlier, I said that all TCP services would work. That is mostly true, but we’ll soon see an exception to this. If we look at the context sensitive help for ip inspect name FWOUT, we see several other ... Zone-Based Policy Firewall (ZBPF) (Zone Based Firewall) is the successor of Cisco IOS Legacy Firewall called (CBAC) Context-Based Access Control. Concept of ZBPF is zone, which groups different interfaces sharing the same security attributes or the same level of trust. Permissions for traffic forwarding is made between the zones or within a zone, not between physical interfaces.
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