[161730] in North American Network Operators' Group

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Re: Open Resolver Problems

daemon@ATHENA.MIT.EDU (Patrick W. Gilmore)
Tue Mar 26 10:43:48 2013

From: "Patrick W. Gilmore" <patrick@ianai.net>
In-Reply-To: <9317550.10944.1364308718442.JavaMail.root@benjamin.baylink.com>
Date: Tue, 26 Mar 2013 10:43:11 -0400
To: NANOG list <nanog@nanog.org>
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org

On Mar 26, 2013, at 10:38 , Jay Ashworth <jra@baylink.com> wrote:
>> From: "Jared Mauch" <jared@puck.nether.net>
>=20
>> b) locking down your recursive servers to networks you control
>=20
> Sure.  But OpenDNS, Google, and the other providers of recursive =
servers
> for edge cases can't do that anymore?

I wish people would stop bring that up.

I guarantee I see at least as many reflection attack as anyone out =
there. I have not _once_ called/emailed Open, Google, Dyn, Ultra, or any =
other professional DNS provider asking them to stop amplifying attacks =
to us.

If you can run a server as competently as they can, then no one will =
complain.

For the other 99.99999999% of you, LOCK THAT SHIT DOWN.

--=20
TTFN,
patrick



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