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From: Arne Sagnes <ASagnes@Tickets.com>
To: NetFilter <netfilter@lists.samba.org>
Subject: Re: dns server
Date: 06 Jun 2002 10:36:32 -0400	[thread overview]
Message-ID: <1023374193.1070.14.camel@icewind.arne.net> (raw)
In-Reply-To: <200206061400.g56E0BA31175@vulcan.rissington.net>

  DNS, specifically Bind, has options in the named.conf to limit zone
transfers and recursive lookups.  You can use the 'allow-transfer { IP;
IP };' directive to restrict zone transfers.

Arne

On Thu, 2002-06-06 at 10:00, Antony Stone wrote:
> On Thursday 06 June 2002 2:48 pm, Raymond Leach wrote:
> 
> > On Thursday 06 June 2002 15:45, Maciej Soltysiak wrote:
> 
> > > Using netfilter you can not judge whether TCP:53 packet is a zone
> > > transfer or just a query.
> >
> > If you only expect to receive queries from internal interfaces then there
> > should be no 'queries' from external sources.
> 
> Your statement is correct, however it does not help when you are running a 
> domain name server which does need to be accessible from the outside, but you 
> only want people to do standard lookups, and not zone transfers.
> 
> I agree with Maciej - you should set appropriate access controls on the name 
> server itself, because netfilter cannot do it for you.
> 
> 
> Antony.
-- 
Arne Sagnes - Email: asagnes@tickets.com
Work: +1 216 787 8613 - Cell: +1 216 577 2319
Be careful of reading health books, you might die of a misprint.



  reply	other threads:[~2002-06-06 14:36 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2002-06-06 13:22 dns server Corin Langosch
2002-06-06 13:31 ` Francois Peyron
2002-06-06 13:37   ` Raymond Leach
2002-06-06 13:45     ` Maciej Soltysiak
2002-06-06 13:48       ` Raymond Leach
2002-06-06 14:00         ` Antony Stone
2002-06-06 14:36           ` Arne Sagnes [this message]
2002-06-06 15:06             ` Tony Earnshaw
2002-06-06 13:33 ` Antony Stone
2002-06-06 14:00   ` Daniel Bastos
2002-06-06 14:04 ` Tony Earnshaw
2002-06-08  9:58   ` Nick Drage
2002-06-09  7:40     ` Tony Earnshaw
  -- strict thread matches above, loose matches on Subject: below --
2002-06-08 10:21 Corin Langosch
2002-06-08 22:36 ` Nick Drage

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