Understanding CBAC

Although using hardware firewalls are an excellent step forward when securing your network. They can cost money and are not cheap to set up and configure. Using CBAC is built-into the Cisco IOS router and helps filter those unwanted protocols that are in your network. When setting up routers as firewalls you have some choices like using CBAC the “Classic” firewall, or zone based policy (ZBF). Today we will talk about CBAC and how to understand the core components of what make CBAC possible. Continue reading “Understanding CBAC”

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Access Control Lists

Understanding Access Control Lists is an important role for moving up into the CCNA area. ACLs can get confusing and cause network problems if not implemented correctly. I think what I outlined below explains in a nutshell of what you can expect from ACLs. I would still read and find more information about ACLs on the web and or reading material. By securing networks with ACLs you are adding another barrier to your network although ACLs can’t fool-proof your network they add additional level of security from the outside world. Continue reading “Access Control Lists”