Firewall-1

[FW-1] NG FP3 and H.323 Video Conferencing

Subject: [FW-1] NG FP3 and H.323 Video Conferencing
From: Matthew Melbourne <matt AT MELBOURNE.ORG DOT UK>
To: FW-1-MAILINGLIST AT AMADEUS.US.CHECKPOINT DOT COM
Date: Thu, 29 Jun 2006 18:42:14 +0100
Hi,

Has anyone successfully configured H.323 through NG FP3 for Video
Conferencing. I have a Cisco Gatekeeper/IPIPGW which is sited on the
internal network. Endpoints register with this device using its private
address.

This object is defined as a host and has a static NAT translation to a
real-world IP address. Can CP inspect the H.323 call setup messages and
change any IP addresses in the H.323 payload (e.g. H.225 call setup
messages)? To allow this Gatekeeper to talk to other Gatekeepers, UDP/1719
and TCP/1720 need to be permitted in both directions.

Therefore, would something like the following be sufficient:

src=gk-ipipgw  dst=any           service=H323;H323_ras
src=any        dst=gk-ipipgw     service=H323;H323_ras

Will the firewall open the ports associated with the media streams
dynamically?

Cheers,

Matt

-- 
Matthew Melbourne

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