Date: Mon, 31 Aug 2015 13:57:28 -0400 From: Michael Powell <nightrecon@hotmail.com> To: freebsd-questions@freebsd.org Subject: Re: BIND - disabling IPv6 lookups Message-ID: <ms24if$ecn$1@ger.gmane.org> References: <CAE63ME44OfwDzj05TmmrYBLzLrvCW=DZ=0mo=8%2By3wsX6JAHNQ@mail.gmail.com>
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Damien Fleuriot wrote: > Hello list, > > > I'm currently experiencing this very weird behaviour with BIND 9.8.7 > running on 10-STABLE and, obviously, installed from ports. > > > I'm trying to prevent BIND from trying to resolve AAAA resource records. > > To this effect, I've added : > named_flags="-4" to /etc/rc.conf, as the man page and several google > searches suggest [1] > > > After restarting BIND, I see it's come back alive with the correct startup > flag : > /usr/local/sbin/named -4 -u bind -c /usr/local/etc/namedb/named.con > > > However, I still see queries for AAAA records : > 13:39:26.990819 IP 10.104.10.252.54566 > 195.158[snip].53: 43577+ [1au] > AAAA? www.tvsembox.com. (45) > > Is that expected behaviour ? > And yes, 10.104.10.252 is the actual FreeBSD box, not a client host trying > to resolve stuff. > > > [1] > https://www.sbarjatiya.com/notes_wiki/index.php/Disabling_IPv6_lookups_in_bind I don't know if this will help, as it's slightly apples to oranges. I use the Bind 9.9.x version from ports so may not apply and I don't know/not sure whether it matters, or not. But there is under the make config in the bind99 port an option: FILTER_AAAA Enable filtering of AAAA records, which seems to be 'off' by default. Not sure this actually applies to your situation. Also don't really know exactly what it does either. Just a $0.02 idea. -Mike
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