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 From:  "James W. McKeand" <james at mckeand dot biz>
 To:  "'m0n0wall list'" <m0n0wall at lists dot m0n0 dot ch>
 Subject:  RE: [m0n0wall] Vonage recommendations
 Date:  Thu, 26 May 2005 14:58:11 -0400
Chris Buechler wrote:
> On 5/25/05, James W. McKeand <james at mckeand dot biz> wrote:
>> Dave Warren wrote:
>>> Christian Oswald wrote:
>>>> Only problem is that monowall does not support TFTP through NAT
>>>> (unless it's 1:1). You'll find it hard getting tftp updates. I'm
>>>> still trying to find somebody to make that fix to monowall (NATD
>>>> maybe or something). Like I said, I'm willing to pay someone for
>>>> the fix. 
>>> I can't confirm this here -- Vonage devices configure themselves
>>> using TFTP, both my Vonage ATAs have been able to download updates
>>> from behind my m0n0wall box. 
>>> I can confirm this because I have added an additional line to two
>>> my Vonage boxes and in both cases, rebooting the ATA was enough to
>>> let the ATA download the latest configuration file.
>> I believe that the ATA will connect to Vonage (or insert VoIP
>> provider here) just like any other LAN client could with a tftp
>> client. If Vonage is trying to "Push" an update down to the ATA it
>> will not work. But the ATA "Pulling" the update from Vonage (thru
>> m0n0wall) would seem to work fine. 
> TFTP supposedly doesn't work through NAT at all, so it's interesting
> that it supposedly works for some people.  Fred Wright posted
> something about this a few months ago.
> another site documenting the same, in broken English.
> http://www.tftp-server.com/tftp_server_faq.html
> though supposedly there are some TFTP servers that can get around
> this, like http://freshmeat.net/projects/jtftp/?topic_id=3D87
> found here

So, I would have to guess that Vonage has such tftp servers...

James W. McKeand