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trouble with .gov dns?
- Subject: trouble with .gov dns?
- From: fw at deneb.enyo.de (Florian Weimer)
- Date: Mon, 02 May 2011 19:13:11 +0200
- In-reply-to: <[email protected]> (William Herrin's message of "Mon, 2 May 2011 12:01:06 -0400")
- References: <[email protected]>
* 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. A query that advertises a smaller buffer size is
non-compliant. BIND will send such queries, but this is a
controversial feature.
This has been noted before, for example:
From: Mark Andrews <marka at isc.org>
Subject: [dnsext] Failure to add glue MUST cause TC to be set.
To: dnsext at ietf.org
Date: Sun, 20 Feb 2011 08:07:15 +1100
Message-Id: <20110219210716.72943A5602B at drugs.dv.isc.org>