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Secure Your Network for Free by Eric Seagren

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Chapter 4

Configuring an Intrusion Detection System

Introduction

No matter how secure your network is, sooner or later something will happen that wasn’t supposed to. If you don’t take steps to identify security events, your only notice that something has occurred might be when there is a production outage or other undesirable disruption. At that point you are in a reactive mode instead of a proactive one. It would be preferable to know the instant a security event takes ...

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