[App_rpt-users] Slightly OT: Help with IAX2 protocol/NAT

Stephen - K1LNX k1lnx at k1lnx.net
Wed Oct 28 07:01:53 EDT 2009

Thanks Jim and all who responded off-list. This wasn't as clear to me
lastnight, I thought this might work with what you have suggested, but
wasn't sure. It makes sense for me to move the port for the app_rpt box.

My other method involved massaging a custom SRV record or writing a very
large (and kludgey) set of IPTABLES rules to shift packets around based on
address, yep another famous "making it harder than it needs to be" for me :D

lol thanks all and 73.....

I'm gonna make my changes now and I'll let you know if it doesn't propagate
to the network.


On Wed, Oct 28, 2009 at 6:18 AM, Jim Duuuude <telesistant at hotmail.com>wrote:

>  Most certainly!
> Set the app_rpt box up so that the default IAX2 port is something other
> then 4569, like
> 4568, for example. This needs to be done in the iax.conf (bindport) and
> static references
> to the nodes in rpt.conf (ipaddr:4568). And, of course, forward the public
> address 4568
> to the NAT address for the app_rpt machine. If there is a problem with the
> router
> deciminiating this port info when registering, let us know, and we can
> override the port
> number for you.
> Use port 4569 for the phone box as normal.
> ------------------------------
> Date: Tue, 27 Oct 2009 23:15:03 -0400
> From: k1lnx at k1lnx.net
> To: app_rpt-users at qrvc.com
> Subject: [App_rpt-users] Slightly OT: Help with IAX2 protocol/NAT
> I have a problem that I need help with, and google is not being very useful
> at the moment (or I'm feeding it the wrong query, which is probably the
> case).
> I have two Asterisk boxes, both sitting behind a single NAT'ed public IP
> address. I have IAX2 traffic from Allstar pointing to the app_rpt box, and
> SIP traffic pointing to the other box which is acting as my home phone
> system. I keep both systems separate for various reasons, so running this
> all on one installation was not an option, hence the two separate boxes :)
> I want to take advantage of the IAX2 protocol for the box running my home
> phone system outside of my LAN, but the problem is as I only have a single
> IP address UDP port 4569 is already pointing to the app_rpt box.
> I have been shifting a few ideas around in my head, none of which I think
> will be easy to implement, or even guaranteed to work with my desired
> results. It's entirely possible that I may be trying to re-invent the wheel,
> but as I know there is much talent on this list concerning Asterisk maybe
> someone already has a solution for this :D
> Please reply to me off-list if you can/are willing to offer me some help or
> maybe even a clue ;)
> 73 and tnx
> Stephen
> --
> **********************************
> Stephen Brown - ARS K1LNX
> Johnson City, TN EM86
> http://www.k1lnx.net
> google voice: 423-665-9367
> **********************************

Stephen Brown - ARS K1LNX
Johnson City, TN EM86
google voice: 423-665-9367
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