[Dnsmasq-discuss] Problems using 'split horizon' approach

[Dave Ewart]

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On Monday, 15.08.2005 at 11:11 +0100, Dave Ewart wrote:

> On Thursday, 04.08.2005 at 17:35 +0100, Simon Kelley wrote:
> 
> > >>The workaround is to add the CNAME to /etc/hosts on the dnsmasq machine, 
> > >>so that it gets answered locally.
> > >
> > >Well, I don't *think* that's happening, since there are no
> > >publically-defined CNAMEs which don't also exist in /etc/hosts. 
> > 
> > In that case I'm bewildered.
> 
> Hmm, a thought.
> 
> The host in question is a mail host and the MX record refers to the
> *public* IP address, not the private IP range address.  Maybe something
> is doing an MX lookup on the local network and the dnsmasq server is
> returning the external IP address.  Can I set an MX
> record via dnsmasq?!?

OK, so I've found the option in /etc/default/dnsmasq (Debian).  Will see
whether setting the MX record here stops dnsmasq becoming confused.

Dave.
- -- 
Dave Ewart
davee at ceu.ox.ac.uk
Computing Manager, Cancer Epidemiology Unit
Cancer Research UK / Oxford University
PGP: CC70 1883 BD92 E665 B840 118B 6E94 2CFD 694D E370
N 51.7518, W 1.2016
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