Disabling EDNS0 options in 8.3.1 queries

[Mark_Andrews at isc.org]

> 
> Mark_Andrews at isc.org wrote in message news:<achcp3$d7pt$1 at isrv4.isc.org>...
> 
> > > have this bad behavior and some load balancers will also drop the
> 
> > > queries.
> 
> > 
> 
> > 	These servers don't drop EDNS0 queries.  Perhaps you have some
> 
> > 	other piece of equipment (firwall/nat perhaps) that is blocking
> 
> > 	these queries / reponses.  The "+bufsize=512" causes a EDNS0
> 
> > 	query to be generated.
> 
> > 
> 
> > 	Mark
> 
> 
> It's a moot point what is dropping or blocking the responses, Mark.
> I don't control any of the equipment that is doing so.

	You should be complaining to those that do then.  Also if you
	purchased Internet connectivity you are not being delivered
	Internet connectivity.

> I merely want to be able to turn off EDNS0 queries in ISC Bind 8.3.1.
> Do you know how?

	Replace

		qs->noedns = dp->d_noedns;

	and

		qs->noedns = fwd->fwddata->nsdata->d_noedns;

	with 

		qs->noedns = 1;

	in src/bin/named/ns_forw.c.

	Mark

> 
> - Darren
> 
--
Mark Andrews, Internet Software Consortium
1 Seymour St., Dundas Valley, NSW 2117, Australia
PHONE: +61 2 9871 4742                 INTERNET: Mark.Andrews at isc.org