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Re: [FW-1] NetMeeting on FP3 HF2



I had a similar problem with my VoIP traffic.  It is most probably due to
the fact that you are using NAT with H.323 and Checkpoint does not have it
working over NAT yet.  You must setup a DMZ with valid IP's.  Checkpoint
tells me they will have this fixed with FP5, but I am sure it is a ways
before that happens.

Trent Libby
-----Original Message-----
From: Tiago Lavigne Greco [mailto:[email protected]]
Sent: Monday, July 14, 2003 4:25 PM
To: [email protected]
Subject: [FW-1] NetMeeting on FP3 HF2

Hi guys,

I am facing some problems to estabilish a connection using NetMeeting in one
of my hosts.

I setup a host with Static NAT, and permitted H323 e T120 for
inbound&outbound.

But my gateway is dropping the packets in this manner:

"322043" "10Jul2003" "12:34:04" "VPN-1 & FireWall-1" "E100B9" "ibspcp11"
"Log" "Drop" "T.120" "192.168.0.x" "externalhost3" "tcp" "" "1048" ""
"message_info: Address spoofing; "
"323112" "10Jul2003" "12:35:08" "VPN-1 & FireWall-1" "E100B8" "ibspcp11"
"Log" "Drop" "2678" "192.168.0.x" "externalhost3" "tcp" "" "1050" ""
"message_info: Data connection address spoofing; "
"325200" "10Jul2003" "12:36:55" "VPN-1 & FireWall-1" "E100B8" "ibspcp11"
"Log" "Drop" "2684" "192.168.0.x" "externalhost3" "tcp" "" "1053" ""
"message_info: Data connection address spoofing; "
"326260" "10Jul2003" "12:38:21" "VPN-1 & FireWall-1" "E100B8" "ibspcp11"
"Log" "Drop" "2690" "192.168.0.x" "externalhost3" "tcp" "" "1056" ""
"message_info: Data connection address spoofing; "

I can estabilish the connection, but there's no exchange of video or audio.

Tks,

TG


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