This was recently outlined in the firewalls wizards list.  Is a very
interesting concept, in that the first hops afte3r the first public
address become transparent.  The layout of the virtual network was a tad
different, but similiar to what you are asking here.  Sorry, don't have
access here at this moment so, I can't paste it back here now, I'll do so
for you this evening.

Thanks,

Ron DuFresne

On Wed, 24 May 2000, Pitcock Family wrote:

> Good Morning,
> 
> I was wondering if a dual NAT infrastructure would work or buy you any extra
> security.
> 
> For Example:
> 
> Valid Internet addresses
>       |
>       |
> Router with NAT
> 172.16.x.x internal
>       |
>       |
> FW-1 with DMZ 172.17.x.x
> 192.16.x.x internal networks NAT
> 
> Any comments would be greatly appreciated.
> 
> Rich
> 
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