Firewall Wizards mailing list archives

RE: pix nat question


From: "Melson, Paul" <PMelson () sequoianet com>
Date: Fri, 23 Jan 2004 10:36:12 -0500

Absolutely.  You just have to think like a PIX. :-)

Say your internal network is 10.0.0.0/16 and your DMZ host and network are 192.168.0.3/16, and your outside is 
1.2.3.0/24, with the DMZ host statically NAT-ed to 1.2.3.4, your config looks like this now:

static (dmz, outside) 1.2.3.4 192.168.0.3 netmask 255.255.255.255 0 0

If you want it to appear this way on the inside network, you need to create a global for the DMZ network, and then a 
static, like so:

global (dmz) 1 interface
static (dmz, inside) 1.2.3.4 192.168.0.3 netmask 255.255.255.255 0 0

PaulM


-----Original Message-----
On a Checkpoint one can call a host in a DMZ on the physical 
address and on
the "NAT" address from the internal network. Due to the way 
the statics work
on a pix this is not possible, or is it. I see you can do 
statics with acl's
in newer IOS's, I wonder if anyone has ever managed to get the same
functionallity as the above checkpoint example.
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