To:
Markus Stumpf <maex-lists-dns-ietf-dnsop@Space.Net>
Cc:
Robert Elz <kre@munnari.OZ.AU>, Edward Lewis <edlewis@arin.net>, <dnsop@cafax.se>
From:
Roy Arends <Roy.Arends@nominum.com>
Date:
Thu, 27 Jun 2002 12:26:23 -0700 (PDT)
In-Reply-To:
<20020627202517.M41555@Space.Net>
Sender:
owner-dnsop@cafax.se
Subject:
Re: is this proper behavior?
On Thu, 27 Jun 2002, Markus Stumpf wrote: > On Tue, Jun 25, 2002 at 01:29:32PM +0700, Robert Elz wrote: > > Sounds like djb's "thing" - his opinion was that if you asked his server > > for something for which it hadn't been configured, it would simply ignore > > you (no answer of any kind). > > Yeah! Kewl isn't it? > Script kiddies send queries for MX hotmail.com from spoofed addresses > and it doesn't work (i.e. 29 bytes query vs 507 bytes answer would be a > multiplicator of about 17 and is even more effective as a ping to the > broadcast address of a /28). No, its not. 29 bytes vs 507 bytes is 1 packet vs 1 packet. broadcast related DoS is 1 packet vs N packets. You're comparing apples and oranges. Roy Arends Nominum