On 2015-10-06 08:52, Rusty Ramser wrote:
> From the scenario you describe, no, I don't see that creating your own
> reverse lookup zone would be necessary.
>
> Your web server has no other internal systems in your environment to
> look
> up. And for external reverse lookups using the public information
> (from
> Cox, Google, OpenDNS, or whatever your preference) should be fine. I
> wouldn't create something that would just require extra
> management/maintenance when there's no real use case for it.
>
> (Actually, for just a single box that is only accepting NATed web
> traffic,
> I'm not even sure I understand the need for a forward lookup zone on
> your
> server. Is there some reason that its client DNS configuration can't
> just
> point to your preferred DNS provider? Do you really need a DNS server
> functioning on the box?)
>
I assume I need a DNS server since the box is a web server and will be
hosting a couple websites and there will be email as well. And part of
the reason I am doing this is to learn.
> Cheers.
>
>
> -----Original Message-----
> From: plug-discuss-bounces@lists.phxlinux.org
> [mailto:plug-discuss-bounces@lists.phxlinux.org] On Behalf Of Keith
> Smith
> Sent: Tuesday, October 6, 2015 11:14
> To: Main PLUG discussion list <plug-discuss@lists.phxlinux.org>
> Subject: RE: Bind9 / Cox reverse lookup
>
>
> Thanks Rusty.
>
> It is one box. It is on a non-routable IP. I use NAT for ports 80,
> 443,
> 53... etc.
>
> So are you saying I need to make a reverse lookup for the non-routable
> IP?
>
> Thanks!!
> Keith
>
>
> -----Original Message-----
> From: plug-discuss-bounces@lists.phxlinux.org
> [mailto:plug-discuss-bounces@lists.phxlinux.org] On Behalf Of Rusty
> Ramser
> Sent: Tuesday, October 6, 2015 11:05
> To: 'Main PLUG discussion list' <plug-discuss@lists.phxlinux.org>
> Subject: RE: Bind9 / Cox reverse lookup
>
> Hi, Keith.
>
> Will your environment be needing to do internal lookups based upon IP?
> For
> instance, are you using a non-routable set of IP addresses (e.g.,
> 10.x.x.x,
> 192.168.x.x) for your environment behind NAT, and will those systems
> need to
> perform name resolution of each other based upon IP? If so, yes,
> you'll
> want to have your own internal reverse lookup zone because obviously
> Cox (or
> any other public DNS provider) will not have that information.
>
> If you really don't need any internal reverse name resolution, then
> there
> may be no need to create a zone. For instance, there isn't an
> "environment"
> of servers you have, it's just this single web server. And the web
> server
> doesn't have any internal network it sits on, it's just got a public,
> routable IP address.
>
> Cheers.
>
>
> -----Original Message-----
> From: plug-discuss-bounces@lists.phxlinux.org
> [mailto:plug-discuss-bounces@lists.phxlinux.org] On Behalf Of Keith
> Smith
> Sent: Tuesday, October 6, 2015 10:11
> To: Main PLUG discussion list <plug-discuss@lists.phxlinux.org>
> Subject: Bind9 / Cox reverse lookup
>
>
> Hi,
>
> I'm configuring Bind9 on my web server connected to Cox. Cox
> configures the
> IP reverse lookup.
>
> Do I still need to create a reverse zone file?
>
> The reverse zone file is to lookup the host by IP correct?
>
> Thank you for your help!!
>
> Keith
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--
Keith Smith
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