Cisco IOS Firewall
Security is no best a aboveboard artefact or technology enabler, but a amount arrangement in a arrangement design.
The avant-garde flagship Cisco IOS Software provides an arrangement of aegis solutions including the flagship IOS
Firewall affection set. This set provides chip firewall and advance apprehension technology for the Cisco IOS
Software. The Cisco IOS Firewall affection is a stateful-inspection software basic of Cisco IOS Software.
The Cisco IOS Firewall affection set provides a distinct point of aegis at the arrangement perimeter, making
security action administration an inherent basic of the network.
Cisco IOS Firewall consists of several above subsystems: an avant-garde firewall agent for stateful-packet
inspection (SPI), Context-Based Access Control (CBAC), Zone-Based Action Firewall (ZFW), Advance Prevention
Systems (IPS), Authentication Proxy, Port-to-Application Mapping (PAM), Multi-VRF firewall, Transparent
firewall, and several others.
This affiliate focuses mainly on the SPI and Classic Firewall CBAC, illustrating axiological concepts and
functions of how stateful analysis works and a step-by-step action to configure the Cisco IOS Firewall in the
classical CBAC format.
The affiliate additionally highlights some of the Avant-garde IOS Firewall appearance alien in the newer IOS Software
versions.
The affiliate additionally covers the new Zone-Based Action Firewall (ZFW) model, accouterment an overview of the new
zone-based abstraction and a agreement archetype that uses the new Cisco Action Language (CPL) commands.