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Subject: Re: RIPE down - DDoS confirmed
From: Kurt Erik Lindqvist <[log in to unmask]>
Reply-To:Network management discussion for Nordic region <[log in to unmask]>
Date:Fri, 28 Feb 2003 08:21:16 +0100
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>
> Has anyone ever considered designing a dynamic traffic shaping filter
> to
> prevent DOS attacks?
>
> The idea is to combine a traffic shaper/rate limiter with a database
> of info on what systems a host usually talks to and if a traffic
> pattern
> appears that diverges significantly from the "usual" pattern, then
> surplus traffic gets dropped. This software is installed on a physical
> machine that acts as gateway for the system(s) that is/are to be
> protected.
>

This sounds like the Riverhead stuff that was presented at the last
Nordnog meeting.

Best regards,

- kurtis -

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