[161781] in North American Network Operators' Group
Re: Open Resolver Problems
daemon@ATHENA.MIT.EDU (Jared Mauch)
Tue Mar 26 22:13:56 2013
In-Reply-To: <CAEmG1=oXXwHObBcBaRTFTj9-uyq_dFfB4j63LAmKp8Y4hdT+Wg@mail.gmail.com>
From: Jared Mauch <jared@puck.nether.net>
Date: Tue, 26 Mar 2013 19:13:43 -0700
To: Matthew Petach <mpetach@netflight.com>
Cc: "nanog@nanog.org" <nanog@nanog.org>
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org
On Mar 26, 2013, at 7:04 PM, Matthew Petach <mpetach@netflight.com> wrote:
> On Tue, Mar 26, 2013 at 6:06 PM, John Levine <johnl@iecc.com> wrote:
>>> As a white-hat attempting to find problems to address through legitimate=
means, how
>>> do you =E2=80=A6
>>=20
>> You make friends with people with busy authoritative servers and see
>> who's querying them.
>=20
> I'm confused. Don't most authoritative servers have to
> answer to just about anyone in order to be useful?
If you give the same answer 15x to the same person in a few seconds one can p=
ossibly infer they aren't a caching resolver or are broken. Either way you c=
an think about ignoring them for a few with dampening or similar.=20=
