Combining DNS and NATD

phn at phn at
Wed Dec 8 07:02:42 UTC 2004

bob prohaska <bp at> wrote:
> Is it possible to use a combined DNS/NATD machine to provide
> Internet access to hosts with registered names but no routeable
> IP numbers?

> The simplest situation would be a single, static IP host which
> serves as gateway to a 192.168.1.x network and also a nameserver
> for a domain. The nameserver would know the private address associated
> with each name, but would have to reply to queries with its own
> address, and some sort of "tag" which would be returned in subsequent
> traffic so it could properly recognize which host on the private 
> network is the intended destination.

> Obviously, if the destination hostname is contained in the packet
> the problem is easy, but to my understanding that's not the usual
> case. Is there some other mechanism?

Yes. Views + some careful design. 

> Apologies if this is naive, I've poked around in Google and found
> nothing....probably for want of appropriate keywords.

> Thanks for reading!

> bob prohaska

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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