Introduction

My goal in writing Intrusion Detection with Snort has been to deliver the first comprehensive guide to using Snort in a real-world environment. Having worked in the field of intrusion detection in both small and large organizations, and having used a wide variety of intrusion detection technologies, I felt it was necessary to provide a book that covers one of the best kept secrets in the security industry—Snort.

Snort is often referred to as the security practitioner's Swiss army knife, and with good reason: Snort can be a practical solution for intrusion detection in a seemingly infinite amount of environments. Snort's flexibility, which has achieved a huge installation base worldwide (by some counts over 100,000 deployments), is ...

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