How to force endpoint to use certain ports

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Hi, 

can anyone help me with that:

I'm using gnugk on a firewalled machine. For the time
beeing I do not have many concurrent calls.

How can I make sure that all endpoints use the open
range for H.245 and not some arbitrary port range. I
opened ports 30000-30010 for it.

Gnomemeeting has no problems with that. Neither does
OpenPhone.(as long as I set those parameters - in UDP
port range) 

But other clients such as Neosmt or even Netmeeting do
not have a way to restrict ports used and
subsequently, analyzing the packets rejected by the
firewall, I noticed that while calling out from the
firewalled machine, packets with dst-port around 11xx
and src-port in 30000-30010 get stuck indicating that
setting the parameters H245PortRange=30000-30010 in
the config file doesn't have the desired effect.

Is there a way to force those endpoints to listen to
ports in the 30000er range from the gatekeeper?
Calling into the firewalled machine is no problem.


Thank you in advance for help
Conrad

PS: my config file:

[Gatekeeper::Main]
Fourtytwo=42
Name=beccon
#TotalBandwidth=100000
StatusPort=7000
TimeToLive=600

[GkStatus::Auth]
rule=allow

[RoutedMode]
GKRouted=1
H245Routed=1
AcceptUnregisteredCalls=1
SupportNATedEndpoints=1
Q931PortRange=20000-20010
H245PortRange=30000-30010

[Proxy]
Enable=1
ProxyForNAT=1
RTPPortRange=5000:5016



	
		
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