Re: [GnomeMeeting-list] GM without forwarding any port

[Damien Sandras <dsandras seconix com>]

Le mercredi 13 avril 2005 à 12:25 +0000, Timothée Lecomte a écrit :
> 
> > > I'm very interested in using GnomeMeeting to make videoconference. 
> > > However, my Internet connection is behind a Router/Firewall. I have no 
> > > access to it, as it is the network of my students' house, administered 
> > > by people who probably won't accept to forward ports to my machine 
> > > only...  The Gnomemeeting wizard says it is a symetric NAT.
> > >     
> > 
> > If you can install the gatekeeper on a public IP address, it will work,
> > but that is unfortunately the only solution I know.
> >   
> Ok, that's already a good point. I've heard of a machine on the
> network that is reserved for students and currently used as an ftp
> server, with a public IP adress. If there are other people interested
> in using videoconference, it might be possible to install gatekeeper
> on it. 
> 
> > Notice that if you are calling a GnomeMeeting 1.2.x user 
> > * who is behind NAT, but configured (symmetric NAT with port forwarding
> > and STUN, or other type of NAT without port forwarding and STUN only),
> > or 
> > * who has a public IP, 
> > it will work because the remote GnomeMeeting will detect you are NATted
> > and it will transparently fool your NAT router.
> > 
> > That will only work if the remote user you are calling is using
> > GnomeMeeting 1.2. It won't work if he is using GnomeMeeting 1.0 or
> > earlier, or if he is using Netmeeting. He can be behind NAT, but
> > configured appropriately.
> > 
> > The problem will only happen when calling another user in the same case
> > as you (ie unconfigured symmetric NAT).
> > 
> >   
> Great !
> The people I wish to call are at home, behind a NAT that I can
> configure. So, I just have to set it up, and it will work...
> Can you confirm that both sides will be able to call the other ?
> 

Only *you* will be able to call them, because your port listening for
incoming calls won't be reachable from the outside.
-- 
 _      Damien Sandras
(o-     GnomeMeeting: http://www.gnomemeeting.org/
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