DNS Server on LAN
phn at icke-reklam.ipsec.nu
phn at icke-reklam.ipsec.nu
Tue Feb 17 06:57:31 UTC 2004
Ben Heard <bdheard at netscape.net> wrote:
> I have a NAT'ing gateway router that doesn't support loopback. As such I
> can't use www.websever.org from machine A on my LAN to hit a webserver with
> a LAN IP address because the IP address associated with www.webserver.org
> is that of the router (external DNS server).
> So, I thought that I could run a DNS server on my LAN that only maps
> www.webserver.org to my LAN IP address and make the router look at my LAN
> DNS server as its primary server. All other name resolutions would go to
> the WAN once the LAN DNS server didn't provide an answer.
> The question is, how do I set up a named.conf file to support this?
> Thanks,
> Ben
What are you trying to do ? You are mixing terms that makes no sense to
me, a "router" does not care about dns-servers.
If i may guess, you have an internal rfc1918-net with NAT device among
the path to Internet, and you have a resource on the inside you want to be
visible in DNS ( for clients on the same rfc1918-net as this server).
The answer is any form of "split-dns" where the world looks slightly
different depending of where you are.
There is a whole chapter ( http://www.oreilly.com/catalog/dns4/chapter/ch11.html )
of "DNS and BIND, 4th Edition" dedicated to this subject. I suggest you
read this and decide what tradeoff's you are willing to do.
--
Peter Håkanson
IPSec Sverige ( At Gothenburg Riverside )
Sorry about my e-mail address, but i'm trying to keep spam out,
remove "icke-reklam" if you feel for mailing me. Thanx.
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