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Posts Tagged ‘ACL’

Lock-and-Key Security (Or how I learned to love the Dynamic ACL)

posted in Cisco Networking, Technical
by on April 4th, 2011 tags: , , , ,

I’ll be honest. I have no idea where you would ever use this feature. But yet Dynamic ACLs exist and Lock-and-Key security is a tool that a Cisco network administrator has at his or her disposal. As such, I’m now going to blog about this because I need to make sure I know them in case they show up on my CCIE lab attempt and perhaps you might find this at least interesting if not actually useful.

So what is Lock-and-Key security? Well the short version is that Lock-and-Key security allows for an ACL to have dynamic entries that become active under certain conditions thereby allowing or disallowing network traffic to flow in a predetermined manner.

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