There is no such version as BIND 9.5P1.
There are both BIND 9.5.0-P1 and BIND 9.5.1-P1.
If Mark is using BIND 9.5.0-P1 then I would recommend upgrading.
Mark
In message <fd6f686b-c502-4166-8a46-3d547c3ea...@menandmice.com>, Chris Buxton
writes:
> We've seen this repeatedly with our customers, usually evidenced by
> slaves that stop refreshing and eventually expire the zone. It seems
> to happen most on Mac OS X and Solaris, and less often (or perhaps
> never) on Linux.
>
> named just stops listening on the TCP port. If you execute "lsof -i:
> 53", you'll see that it's still listening on 127.0.0.1:53/TCP, but not
> on some other interface. UDP seems to be unaffected by this.
>
> The only solution we've found is to stop and restart named.
>
> Chris Buxton
> Professional Services
> Men & Mice
>
> On Apr 2, 2009, at 5:26 PM, Mark Koehler wrote:
>
> > Greetings.
> >
> > We have 4 masters (rsync'd together) and a pair of load balancers
> > each of which distributes queries to any of the 4. On the masters,
> > we run Solaris 10 with BIND 9.5P1. Recently, one of the 4 stopped
> > using TCP on port 53, but UDP traffic continued unaffected. What
> > would cause the TCP port to stop? The port was unresponsive from
> > the backside of the load balancers, and no DNS TCP packets came from
> > the server either. Is there anything in BIND which would detect and
> > block a potential DOS attack?
> >
> > Thanx,
> > mrak
> > _______________________________________________
> > bind-users mailing list
> > bind-users@lists.isc.org
> > https://lists.isc.org/mailman/listinfo/bind-users
>
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--
Mark Andrews, ISC
1 Seymour St., Dundas Valley, NSW 2117, Australia
PHONE: +61 2 9871 4742 INTERNET: mark_andr...@isc.org
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