RE: T.120 Conferencing through a firewall

[Pavlichek, Doris (GEIS, GE Capital Consulting)]

http://www.shenton.org/~chris/nasa-hq/netmeeting/

Here's the paper....DP

> -----Original Message-----
> From: Bard, Heather [SMTP:[EMAIL PROTECTED]]
> Sent: Tuesday, March 16, 1999 1:01 PM
> To:   'Tammy Torbert'; [EMAIL PROTECTED]
> Subject:      RE: T.120 Conferencing through a firewall
> 
> 
> >I will be implementing a firewall solution in a few weeks.  I was
> wondering
> what
> >type of security issues allowing T.120 conferencing presents.  My
> conferencing
> >system needs port 1503 dynamically opened.  Does anyone have any
> information
> >about the risks I may be opening up by having this port opened?
>  
> I am interested in this as well.  We are doing H.323 and T.120
> implementation testing in our lab (for a very transient system - routers
> shutting down and whole subnets moving), and as of yet have not found any
> firewalls that support T.120 dynamically, thus we are having to statically
> open, through acls with a wide range of IPs, port 1503.  So please cc: me
> on
> any information.
> 
> Thanks
> Heather Bard
> 
> 
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