Re: Proxy Mode to traverse firewalls

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Hi Andrew,

 

Are you using Cisco firewalls? In that case the problem is the Cisco not supporting H323 V5, but V4 only. We ran into the same problem and found this to be Cisco related. Checkpoint firewalls worked after an upgrade…

 

Hop this helps a little.

 

Regards, Rene

 

From: openh323gk-users-bounces@xxxxxxxxxxxxxxxxxxxxx [mailto:openh323gk-users-bounces@xxxxxxxxxxxxxxxxxxxxx] On Behalf Of Andrew Struiksma
Sent: donderdag 27 maart 2008 17:45
To: openh323gk-users@xxxxxxxxxxxxxxxxxxxxx
Subject: [Openh323gk-users] Proxy Mode to traverse firewalls

 

Hello,

 

I assist K-12 schools in setting up their IP video conferencing endpoints. We have run into issues with some commercial and even Linux firewalls not properly handling H323 traffic. The goal is for the endpoints to be able to be moved from room to room so NATing it pretty much a necessity. I recently discovered the GNU Gatekeeper project and wondered if it would provide a means of setting up a single point (on a public IP)where all VC endpoints could bypass the firewall? I know that the Polycom V2IU works this way. Is the GNU GK very similar?

 

One other question I have is can the GNU GK be paired to another gatekeeper without routing all its traffic (data AND signaling) through the paired gatekeeper? We have a statewide gatekeeper that we would want to pair to the local gatekeeper to resolve "phone numbers" but the statewide GK only supports signal routing.

 

Thank you!

 

Andrew Struiksma
K20 Network Support Specialist - Regional Video ITU Northwest
Northwest Educational Service District
1601 R Avenue
Anacortes, WA 98221
(360) 299-4063 (Office)

 

www.ESD189.org
Together We Can ....

 

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