NAT doesn�t have support for:
- IP Multicast
- Routing tables updates
- DNS Zone Transfers
- BOOTP
- Talk, NTalk
- H.323 (Netmeeting)
- VDOLive
- NetShow
- Net2Phone
- VXTreme
- SNMP.

_7aV13r.
Javier Romero

"Gernot W. Schmied" wrote:

> Hi,
>
> Netmeeting uses the following ports:
>
> 389/tcp
> 1503/tcp
> 1731/tcp
> 1720/tcp
>
> Then everything should pretty much work, with one exception:
> NO AUDIO, NO VIDEO. This is a result of NAT with H.323.
> I just gave up on it *sigh*.
> Let me know if you find something.
>
> Cheers,
> Gernot
>
> Javier Romero wrote:
> >
> > NetMeeting use 3 diferents ports in 3 differents times.
> > I don�t remember very well, but you must capture a Netmeeting session
> > in order to define the right ports.
> >
> > _7aV13r.
> >
> > paul wrote:
> >
> > > Hi friends,                i'm using IPchains as my NAT/Firewall
> > > gateway with a ppp0 interface to the ISP, i can establish a
> > > connection to another party thru netmeeting, but there isn't any
> > > video showing up on either site.                 Are there any ports
> > > that i have to allow out or in?whatever the case, i need help !
> > > hahah, thks in advance! rgdsPaul

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