[nsd-users] NSD name server behind Firewall

[Mukul Shukla]

Dear Bret,

Thanks for the help.

Yes, I have kept private IP as an ip-address in nsd.conf. No errors with
private IP.
But, I wonder if there can be any issue when I create a reverse Zone file.

Thanks

Mukul

On Wed, Jun 22, 2022 at 1:55 PM Brett Carr <brett.carr at nominet.uk> wrote:

> If you are natting and port forwarding then it is correct to use the
> private ip in the nsd.conf, of course any entries in zone files which refer
> to the server would use the public address.
>
>
>
> Brett
>
>
>
> --
> Brett Carr
> Manager DNS Engineering
> Nominet UK
>
>
>
>
>
> *From: *nsd-users <nsd-users-bounces at lists.nlnetlabs.nl> on behalf of
> Mukul Shukla via nsd-users <nsd-users at lists.nlnetlabs.nl>
> *Date: *Wednesday, 22 June 2022 at 09:14
> *To: *nsd-users at lists.nlnetlabs.nl <nsd-users at lists.nlnetlabs.nl>
> *Subject: *Re: [nsd-users] NSD name server behind Firewall
>
> Dear Kaulkwappe,
>
>
>
> Thanks for the prompt reply.
>
>
>
> I have NATed and port forwarded  to my internal name server.
>
>
>
> The problem is when I use public IP on my internal name server (in
> /etc/nsd/nsd.conf) as ip-address, it gives me an error when I check with
> nsd-checkconf. But when I use its own IP address (private) it gives me no
> error.
>
>
>
> I also want to make Reverse DNS entries for my email server, so I want to
> know the correct method of configuring NSD behind a NATed firewall.
>
>
>
> Thanks.
>
>
>
> Mukul
>
>
>
>
>
> On Wed, Jun 22, 2022 at 1:05 PM Kaulkwappe via nsd-users <
> nsd-users at lists.nlnetlabs.nl> wrote:
>
> Dear Mukul,
>
> you would still use the public IP address if the server potentially shall
> be available world-wide.
>
> Kind Regards,
> Kaulkwappe
>
> ----------------------------------------------------------------
> From: Mukul Shukla via nsd-users <nsd-users at lists.nlnetlabs.nl>
> Sent: Wednesday, 22. Jun 2022 – 09:06  CEST +0200
> To: nsd-users at lists.nlnetlabs.nl
>
> Subject: [nsd-users] NSD name server behind Firewall
>
> Dear All,
>
> I have recently started to use NSD as my name server. The NSD server
> (private IP 192.168.110.14), is behind a firewall (with the public IP
> 14.139.250.83).
>
> I am confused as to what I should set for the "ip-address"  in
> /etc/nsd.conf?
>
> Thanks.
>
> Mukul
>
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