[Semibug] dhcpd dns entry

Anthony Cascianelli acascianelli at icloud.com
Fri Oct 4 20:12:21 EDT 2019

Isn’t that way NAT reflection is for?

Anthony Cascianelli

> On Oct 4, 2019, at 6:44 PM, Mark Moellering <markmoellering at psyberation.com> wrote:
> Awesome, thanks
>> On 10/4/19 6:41 PM, Josh Grosse wrote:
>>> On Fri, Oct 04, 2019 at 06:38:34PM -0400, Josh Grosse wrote:
>>> On Fri, Oct 04, 2019 at 06:29:50PM -0400, Mark Moellering wrote:
>>>> everyone,
>>>> I am running openbsd on a Ubiquity Networks EdgeRouter-4 as a firewall,
>>>> which is also running dhcpd.
>>>> If I have my mail server running on a local address,, for
>>>> example, is there a way to set things up so that any computer inside the
>>>> firewall will have the mail server [mail.psyberation.com] resolve to the
>>>> internal IP address?
>>> Sure, Mark.
>>> You add a local, "non-authorative" DNS server, for local resolution.  There's
>>> a built-in one, unbound(8).  With it, you can direct your local systems
>>> to resolve to the internal address.
>> I should add, the local unbound(8) server can also act as a local caching
>> server for remote resolution from "authoritive" nameservers that resolve
>> address for the Internet, such as from Google or OpenDNS nameservers.
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