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Network Security Focus-IDS
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Re: IDS vs. IPS deployment feedback

Subject: Re: IDS vs. IPS deployment feedback
Date: Sun, 16 Apr 2006 17:31:37 +0200
Aaron wrote:
To add to (or take away) from this thread, I would further mention that
IDS/IPS regardless of make or implimentation, will only see the past,
not the future.  

You may wish to notice that this is true, but a problem only for misuse
based devices. Anomaly based devices, on the contrary, use the past as a
way to detect anomalies into the future, and therefore are less
sensitive to the zero-day/unforeseen attack problem.

Stefano

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