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 From:  Maxim Khitrov <max at mxcrypt dot com>
 To:  Lee Sharp <leesharp at hal dash pc dot org>
 Cc:  "m0n0wall at lists dot m0n0 dot ch" <m0n0wall at lists dot m0n0 dot ch>
 Subject:  Re: [m0n0wall] Dynamic DNS update with m0n0wall behind router
 Date:  Wed, 8 Sep 2010 07:47:24 -0400
On Wed, Sep 8, 2010 at 12:26 AM, Lee Sharp <leesharp at hal dash pc dot org> wrote:
> On 09/07/2010 08:59 PM, Maxim Khitrov wrote:
>>
>> Hello all,
>>
>> Two questions about the behavior of RFC 2136 Dynamic DNS updates:
>>
>> 1. Does m0n0wall use the WAN interface address when sending the
>> update, or does it perform a check of the WAN IP using some external
>> service?
>>
>> 2. Are updates sent on a regular schedule or only when the WAN
>> interface address changes?
>>
>> My m0n0wall gateway is located behind the ISP's router (Verizon FiOS).
>> It's a DMZ host, the second router just provides the physical
>> connection to the coax cable, but the m0n0wall WAN interface still
>> receives a local 192.168.100.x/24 IP. As far as I know, there is no
>> way for the m0n0wall to get a public IP assigned to the WAN interface.
>
> The system in m0n0wall will not work for you as it is based on the WAN IP,
> and updates when it changes.  You will need one of the clients on an
> internal system that pulls the outside IP.
>
>                        Lee

Understood, thanks.

- Max