[140112] in North American Network Operators' Group
Re: trouble with .gov dns?
daemon@ATHENA.MIT.EDU (William Herrin)
Mon May 2 13:24:27 2011
In-Reply-To: <878vupuiu0.fsf@mid.deneb.enyo.de>
From: William Herrin <bill@herrin.us>
Date: Mon, 2 May 2011 13:23:19 -0400
To: Florian Weimer <fw@deneb.enyo.de>
Cc: nanog@nanog.org
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org
On Mon, May 2, 2011 at 1:13 PM, Florian Weimer <fw@deneb.enyo.de> wrote:
> * William Herrin:
>> Anyone else having trouble with .gov DNS failing with edns-udp-size
>> set to 512?
>
> You need an UDP size of at least 1220 for DNSSEC, see RFC 3226,
> section 3. =A0A query that advertises a smaller buffer size is
> non-compliant. =A0BIND will send such queries, but this is a
> controversial feature.
Hi Florian,
I have "dnssec-enable no;" in my bind config. Were you able to
determine from the tcpdump output that DNSSEC was being requested?
How?
Thanks,
Bill Herrin
--=20
William D. Herrin ................ herrin@dirtside.com=A0 bill@herrin.us
3005 Crane Dr. ...................... Web: <http://bill.herrin.us/>
Falls Church, VA 22042-3004
