In some mail from Peter da Silva, sie said:
> > Nat is ip to ip address translation. Most proxies do Port Address
> > Translation (port mapping). The Cisco PIX has been shipping for over 2 1/2
> > years.
> Translation: "Instead of acknowledging that other NAT technologies were
> already available I'm going to redefine NAT to only mean IP-level NAT,
> even though this list is full of people smart enough to recognise I'm
> blowing marketing smoke."
Peter, I'd side with the Cisco interpretation here (see the RFC on NAT),
although NAT does include N:1 with port remapping, it doesn't (and
shouldn't) include doing things like changing fields in the FTP PORT