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CCSP SNAA Quick Reference by Ryan Lindfield

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Chapter 1. Understanding Traffic Classification

Throughout this Quick Reference, I rapidly take you through some of the more advanced forms of traffic filtering. We begin this journey with the familiar access control list (ACL), and progress into deep packet inspection with regular expressions and parameter-specific conditional statements. I think that many people would flip to the center of this Quick Reference and feel intimidated by some of the content, but if we step through the technologies one by one and remember that our entire configuration is based on a simple “if-then” logic, everything will make sense. My goal, at least, is that when we have finished you will become much more effective as a firewall administrator.

I assume that you ...

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