Re: [GnomeMeeting-list] developing plans

[maHo <lukasz mach com pl>]

Damien Sandras wrote:

> Hello,
>
> Le vendredi 20 août 2004 à 13:17 +0200, maHo a écrit :
>  
>
> > Hello
> >
> > Gnomemeeting, good thing isn't convinient for people who are behind the 
> > firewall.
> > Are there any plans to use something other then H323?. H323 needs lot of 
> > open ports.
> >
> >    
>
> One TCP port and 4 UDP ports for audio and video.
> Using another standard protocol like SIP wouldn't help much as the
> problem is the same (not precisely with firewalls, but with NAT) as it
> is also using RTP as transport.
>
>  
   it's headache. I couldn't talk with lot of my friends because of 
that (they had no ability, or knowledge to configure their NAT).

> > I think the ideal thing should be such situation, that if one peer has 
> > ability to allow incoming connection, conversation should be 
> > established, even if second party is behind the firewall.
> >
> >    
>
> That's implemented in GnomeMeeting CVS.
> If one peer has a public IP address, OR is behind NAT but is using one
> of the technics mentionned in the FAQ (STUN/IP TRANSLATION/GATEKEEPER
> PROXY/...), and if the other peer is behind NAT but unconfigured, then
> the call will be established.
>  

   ah, great!. I'll look at this soon.

> The problem is when both peers are behind NAT. If you have time to
> invest in this and work on "remote NAT port guessing", then it is
> welcome.
>  
   hmm, I don't understand you correctly. I think if both parties are 
behind NAT, there is no way to establish a call withoud intermediate 
server.

regards

maHo