Re: NAT vs translation vs routing in Gauntlet firewall

["Jason Lewis" <jlewis () packetnexus com>]

> All NAT devices *forward* IP packets. Most firewalls support some
> variant  of NAT that hides the IP networks assigned to the
> trusted/protected network  interface
> They do this by statically mapping an unique private (e.g., RFC 1918
> compliant) IP address to individual public IP addresses (static NAT) or
> by  dynamically mapping an entire set of private addresses to the single
> public  IP address assigned to the public/external/Internet-facing
> network  interface of the Firewall (commonly NATP).

Not all NAT uses RFC 1918 address space.  I have used NAT for load
balancing public webserver with routable address space.

jas


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