[Gllug] [OT] dsl router advice?

[Jack Bertram]

* John Hearns <john.hearns at clustervision.com> [041018 15:20]:
> On Mon, 2004-10-18 at 14:58, Wiehe, Simon wrote:
> > I don't quite understand. Someone directs a packet at your ip address, say
> > 152.16.45.1 and your server has an internal ip address of 192.168.254.3. I
> > thought the point of NAT was that the router receives a packet for 152.16.45.1
> > and you configure your router to forward any packets for the ip address
> > 152.16.45.1 to the internal address of 192.168.254.3. Or am I missing the
> > point somewhere ?
> I thought so too.
> But a quick Google for 'VOIP NAT' indicates things aren't all that easy
> for VOIP.

Yes - like any more complicated protocol (even active ftp), masquerading
routers need special "equipment" to look inside the packets and mangle
them correctly to cope with address translation.

j
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