[Asterisk-Users] Working Xten, Asterisk, double-NAT configs out there?

[Aaron O'Hara]

Tim,

Aside from the firewall logs in /var/log/messages, what tools did u find
most helpful for seeing SIP/RTP traffic?

What are some of the key things to look for to see if there's a problem?

Aaron

On Sat, 2005-21-05 at 14:04 -0600, Tim Pushor wrote:
> I have (had) a similar setup at one time. I'm running freebsd/pf on each 
> nat box. Asterisk is behind one, an xten softphone behind the other.
> 
> I watched the SIP traffic on both the incoming and outgoing interfaces 
> (pre/post nat) of each box. You can then generally see whats wrong, and 
> as a huge plus, learn a lot more about how SIP/RTP actually works ..
> 
> That coupled with the firewall log (I deny/log all by default) and the 
> firewall debut output ( I have had, and am still having in a couple of 
> weird cases, state clashes) you can usually identify the problem ..
> 
> Or you could post your details and let someone have a stab at helping, 
> unless there are any psychics here :-)
> 
> Tim
> 
> Aaron O'Hara wrote:
> 
> >All,
> >
> >I have my * box NAT'd with all ports forwarded that are SIP related
> >(based on Wiki).  I also have nat=yes, externalip=WAN address of
> >firewall, internalip=LAN network of *.
> >
> >I have my Xten soft phone on a PC which is NAT'd behind firewall with
> >ports forwarded.  I have also followed instructions on Wiki for Xten.
> >
> >I can authenticate fine, and sip show peers shows my extension is OK,
> >but whenever I dial another SIP or zap channel, I can a "max retries
> >exceeded" on my * box.
> >
> >Can somebody post a working config with * behind firewall w/ports
> >forwarded and xten behind firewall w/ports forwarded?
> >
> >Thanks,
> >
> >-- Aaron
> >
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