[28649] in North American Network Operators' Group

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Re: New Internet-draft on DDOS defense...

daemon@ATHENA.MIT.EDU (Paul Ferguson)
Thu May 11 07:48:51 2000

Message-Id: <4.3.1.2.20000511074318.00abc260@lint.cisco.com>
Date: Thu, 11 May 2000 07:44:59 -0400
To: "Vipul Shah" <svipul@novell.com>
From: Paul Ferguson <ferguson@cisco.com>
Cc: <nanog@merit.edu>, "Hilarie Orman" <HORMAN@novell.com>,
	"Jamshid Mahdavi" <MAHDAVI@novell.com>
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Errors-To: owner-nanog-outgoing@merit.edu


How is this substantially different than RFC2644, "Changing
the Default for Directed Broadcasts in Routers"?

  http://www.ietf.org/rfc/rfc2644.txt

- paul


At 10:13 PM 05/10/2000 -0600, Vipul Shah wrote:


>Hi All,
>
>I'd like to bring your attention to a recent Internet-draft.  The URL is:
>
>http://www.ietf.org/internet-drafts/draft-vshah-ddos-smurf-00.txt 
>
>This draft proposes a specific (simple) change to RFC1122 which would
>help reduce the use of Smurf amplification in DDOS attacks.  This is
>augments ingress filtering; it is designed specifically for the case
>where the attacker (source) is using broadcast on the local LAN as
>part of a DDOS attack.  This is a case where ingress filtering does
>not help.
>
>We are proposing that it be an addition to the standard set by
>RFC1122.  We'd very much like to hear comments from people on this draft.
>
>Vipul
>
>



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