On Fri, Oct 30, 2009 at 9:00 AM, Kim Hartlev <kim at hartlev dot net> wrote:
> Hi,
>
> I'm trying to override my ISPs DNS servers for my company's domain using the
> DNS forwarder. I have an IPsec VPN configured betweem my home and the
> company so I can access the company's internal DNS server (it is not
> accessible via the internet) but unfortunately it doesn't seem like the DNS
> forwarder is able to access the company DNS server through the tunnel. If I
> query the company DNS server directly with nslookup I'm able to get proper
> responses through the tunnel but if I do it through the DNS forwarder it
> doesn't work.
>

See:
http://doc.m0n0.ch/handbook/faq-snmpovervpn.html

same reason and solution.