Public IPs and nameservers on firewall

G. Roderick Singleton gsingleton at
Sun Nov 7 12:34:12 UTC 1999

Barry Margolin wrote:
> In article <38242744.90DDAE89 at>,
> G. Roderick Singleton <gsingleton at> wrote:
> >I have a DNS server defined as "slave to master" local to my network.
> >Can I put my PRIVATE addresses in this DNS server's zone file and
> >achieve the same effect as if I had put them externally.
> You can't put them in the zone file on the slave server, since it gets
> overwritten whenever the slave performs a zone transfer.  That's why I
> later suggested using a subzone for your private entries.

I have sent in the solution I'm currently using.  you'll see it
when the moderators approve it.  Basically I found that I can 
run my little PRIVATE network using my hosts file.  So far so
good.  I shall try Barry's subdomain as the next step if there
are problems with the hosts solution.  Any comments?

> >> >simply create a nameserver for the 192.168.32. hosts (PCs) and then have
> >> >this server, in turn, point at the local slave and so on.
> >>
> >> Another solution would be to put these IP's in a subdomain, and configure
> >> your firewall or an internal server as the master server for the
> >> subdomain.  If you use an internal server, it can be configured to forward
> >> everything else to the firewall.
> [Why do I frequently have to edit my own signature out -- can't you do that
> yourself when you're replying?]

Because it's there and cute ;-)

> >I thought of this but put it aside because of "how to bind to port"
> >issues that I thought might get in the way. This is where I
> >see that we are getting close to having to deal with an internal
> >root.
> I don't know what issues you're talking about.  I was describing the
> standard split DNS configuration, which is very common.

Yeah, yeah. But I'm lazy. If I must change this is the way I'll
go.  And thanks.

G. Roderick Singleton, <gsingleton at> PATH tech,
71 Underhill Drive, Unit 159, Toronto, ON  M3A 2J8
Voice : 416-452-4583 Fax: 416-452-0036 Toll Free: 1-800-354-PATH

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