Tim -
A couple things:
1) We use ISA 2006 internally (not for Sipx as of 6/17/2010)
2) We had it working 'reliably' for ITSP connections - however - we could NOT
get the following to work reliably:
* Inbound SIP URI dialing
* Remote worker
We just switched to pfsense based firewall for our sipx connection (we assigned
another external IP address to the pfSense - it went very smoothly) - I
actually IM'd Tony about this literally seconds after he replied to your post.
Thanks for the help by the way.
Bottom line - go pfsense if at all possible. I've been running sipx behind ISA
2006 for a while now - wish I'd put in the effort to get pfsense running from
day 1 - would have saved me a lot of time - and it actually works (haven't
tested remote worker yet - but hope to this week).
Tony/Jim were both a great resource. Thanks again to you both.
Nathaniel
-----Original Message-----
From: [email protected]
[mailto:[email protected]] On Behalf Of Tony Graziano
Sent: Thursday, June 17, 2010 11:12 PM
To: Tim Byng
Cc: sipX Users Mailing List
Subject: Re: [sipx-users] ISA 2004 Firewall Configuration
Nathan ended up switching to a different firewall though I think...
On Thu, Jun 17, 2010 at 1:11 PM, Tim Byng <[email protected]> wrote:
> I would like to use our second internet line as a backup if our
> dedicated voip internet line goes down. However, I'm having a problem
> configuring ISA
> 2004 Firewall for this.
> First of all, I changed the gateway on the sipXecs server to the
> secondary line. I also changed the Public IP Address setting in
> sipXecs. I set up new protocols in ISA 2004:
> - 5060, udp, receive send and 5080, udp, receive send
> - 30000 to 31000, udp, receive send
> I then set up a couple of publishing rules using these protocols and
> an access rule allowing all outbound traffic from the sipXecs server.
> However, my sipXecs server could not successfully register with my ITSP.
> I found a post from Nathaniel Watkins, and the rules he used to get
> this working were very similar to mine. Here's his configuration:
> 1) Access Rule allowing all traffic from Sipx to the outside
> world
> 2) Publishing Rule allowing incoming traffic on port 5080 to sipx.
> 3) Publishing Rule allowing incoming traffic on ports 30000-31000
> to sipx.
> This is the first time a set up custom protocols, so maybe I didn't
> set them up correctly? Any suggestions on how to resolve this issue?
> Thanks,
> Tim
>
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>
--
======================
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sip: [email protected]
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LAN/Telephony/Security and Control Systems Helpdesk:
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sip: [email protected]
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