Query - No Response
Mark Andrews
marka at isc.org
Thu Apr 29 23:01:50 UTC 2010
In message <E954B4D6898A4B1EA7CF30F764E5EB1A at internal.corp.ds>, "ic.nssip" writ
es:
> Hi Mark,
>
> All my DNS Servers running BIND 9.6.1 are resolving/accepting lame servers
> answers.
> The only ones I can't get to provide a response coming from a lame server
> are the servers running BIND 9.7.0.
> Is there any work around to make 9.7.0 to accept the response coming from a
> lame server?
> Right now I'm using the same named.conf on both BIND versions, the only
> difference is the version of BIND.
We fixed a long standing bug in 9.7.0 where named was accepting
glue promoted to answer from the COM/NET servers rather than treating
the response as a referral. Part of that fix also fixed the
accidental acceptance on AA=0 responses. It was co-incidental that
the COM/NET servers were finally fixed to not send such answers.
Verison (UUNET.CA) are aware of the issue. Several email addresses
bounced trying to report this and I eventually raised in on NANOG where
a number of Verison employees have taken on the task of getting this and
the other errors found corrected.
Mark.
--
Mark Andrews, ISC
1 Seymour St., Dundas Valley, NSW 2117, Australia
PHONE: +61 2 9871 4742 INTERNET: marka at isc.org
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