restricted DNS

[Kevin Darcy]

Marc Redmile wrote:

> Dear pro's,
>
> Is it possible to run a simple DNS setup on a machine which does not have
> internet access ?

Sure, but do you still want to resolve Internet names? In you do, then
you'll have to find a server with Internet access to use as a forwarder.

If you don't need to resolve Internet names, then you can run without
forwarding, but you'll need an internal root zone. If you have only one
server available to serve the root zone, you may want to tweak the
"min-roots" global option.

If you have a *really* simple DNS setup with no requirement to resolve
external names, you don't even actually need separate zones: you could throw
everything, forward and reverse, into a single root zone. I have in the past
set up such "self-contained" DNS'es for test boxes on isolated networks. Or,
to be just a little less confusing, you could split out "in-addr.arpa" or
some subdomain thereof for a neater forward/reverse segregation.


- Kevin