bugtraq - Re: spamblocker turns into mail denial of service

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Date: Mon, 15 Mar 2004 12:45:29 -0500
From: Chris Fuhrman <chris.fuhrman@...ci.com>
To: Dana Hudes <dhudes@...-ip.info>
Cc: bugtraq <bugtraq@...urityfocus.com>, hostmaster@...keys.com
Subject: Re: spamblocker turns into mail denial of service

Howdy,

The Monkeys.com blacklist was officially retired 9/22 due to repeated
DDoS attacks on it's main servers.

Please see http://www.dnsbl.info/forums/topic.asp?TOPIC_ID=12 for the
official closing announcement from Ron Guilmette.

Cheers!

On Mon, 2004-03-15 at 11:21, Dana Hudes wrote:
> At some point in the last 24 hours the dns-based blackhole list
> proxies.relays.monkies.com turned into a deny-all-mail: the A record
> for the blackhole list is now 127.0.0.2 which means all mail is rejected.
> Anyone who knows anyone who was using this should immediately remove
> it. I do not know why the folks at infinite monkeys would do this nasty
> thing, perhaps it was done by a spammer hacking in.
> 
> Certainly it points out that all such services should be using DNSSEC
> and that perhaps that's not enough if the name server is hacked.
-- 
Chris Fuhrman           | Twenty First Century Communications
chris.fuhrman@...ci.com | Senior Software Engineer
(W) 614-442-1215 x271   |
(F) 614-442-5662        | PGP/GPG Public Key Available on Request


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