On Fri, Jul 08, 2005 at 01:15:42PM -0400, David Andersen wrote:
On Jul 8, 2005, at 12:49 PM, Jay R. Ashworth wrote:
On Thu, Jul 07, 2005 at 01:31:57PM -0700, Crist Clark wrote:
And if you still want "the protection of NAT," any stateful firewall will do it.
That seems a common viewpoint.
I believe the very existence of the Ping Of Death rebuts it.
A machine behind a NAT box simply is not visible to the outside world, except for the protocols you tunnel to it, if any. This *has* to vastly reduce it's attack exposure.
Not really. Consider the logic in a NAT box: [ ... ] and the logic in a stateful firewall:
Sorry. Given my other-end-of-the-telescope perspective, I was envisioning an *on-machine* firewall, rather than a box. Clearly *any* sort of box in the middle helps in the fashion I alluded to, whether it NATs or not. Cheers, -- jra -- Jay R. Ashworth jra@baylink.com Designer Baylink RFC 2100 Ashworth & Associates The Things I Think '87 e24 St Petersburg FL USA http://baylink.pitas.com +1 727 647 1274 If you can read this... thank a system administrator. Or two. --me