[13843] in bugtraq

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Re: DDOS Attack Mitigation

daemon@ATHENA.MIT.EDU (John Payne)
Tue Feb 15 16:17:51 2000

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Date:         Mon, 14 Feb 2000 10:33:09 -0800
Reply-To: John Payne <john@SACKHEADS.ORG>
From: John Payne <john@SACKHEADS.ORG>
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To: BUGTRAQ@SECURITYFOCUS.COM
In-Reply-To:  <200002130850.TAA08542@cairo.anu.edu.au>

On Sun, Feb 13, 2000 at 07:50:17PM +1100, Darren Reed wrote:
> You know if anyone was of a mind to find someone at fault over this,
> I'd start pointing the finger at ISP's who haven't been doing this
> due to "performance reasons".  They've had the ability to do it for
> years and in doing so would seriously reduce the number and possibility
> of "spoofing" attacks.

Thats always made me wonder... the global tier 1 that I have intimate
knowledge has been doing ingress filtering for years (day one as far
as I can see) for leased line customers, and the dial devices do their own
source filtering.

Even on the remaining 4700 access routers CPU hasn't been a problem

--
John Payne      http://www.sackheads.org/jpayne/    john@sackheads.org
http://www.sackheads.org/uce/                    Fax: +44 870 0547954
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