Have you ever wanted to create an ACL by country?  There's a number of different ways you can go about it.  Certain models of firewalls ...

Here's a quick post on a very useful command when working with ACLs.  I first heard about it while watching a CBT Nugget video, and I ca...

In a nutshell, reflexive ACLs allow packets to be evaluated based on upper layer session information. You use reflexive ACLs in order to per...

There are two main ways of shortening ACLs and improving their readability or performance. As you know, ACLs can grow to include hundreds o...

The different types of ACLs are first identified by the line number used. Standard IP ACLs use numbers in the range of 1 – 99 and 1300 – 199...