[94293] in North American Network Operators' Group
Re: what happens when you put a typo in a DNSBL server?
daemon@ATHENA.MIT.EDU (John L)
Tue Jan 16 17:34:09 2007
Date: Tue, 16 Jan 2007 17:27:37 -0500 (EST)
From: John L <johnl@iecc.com>
To: Wes Hardaker <wjhns61@hardakers.net>
Cc: nanog@nanog.org
In-Reply-To: <sdy7o2fz4j.fsf@wes.hardakers.net>
Errors-To: owner-nanog@merit.edu
> JL> If only. I am constantly amazed at the bozos who misconfigure their
> JL> DNSBL lookups and don't notice.
>
> Part of the problem is that the protocol is designed to overlay an
> existing protocol without providing a valid positive response. In
> this case, lame ISP configures a typo and goes for ages without
> noticing that it didn't help them at all because every query was
> getting a NXDOMAIN back
Uh, not quite. Try looking up 2.0.0.127.abuse.net, and then explain to me
why people keep hammering on it.
Regards,
John Levine, johnl@iecc.com, Primary Perpetrator of "The Internet for Dummies",
Information Superhighwayman wanna-be, http://johnlevine.com, Mayor
"I dropped the toothpaste", said Tom, crestfallenly.
