In setting-up a firewall/NAT, is it ok to use one IP block for both public and private interfaces?
Will packets bypass the firewall rules since both NICs are in the same IP block?
I had just configured an IPCop v1.3.0 firewall machine (with Squid-Dansguardian and P2Pblocker) which I would want to insert in my current network setup.


Ex. diagram:

Internet
   |
router
(gateway= a.b.c.d/28)
   |
(public NIC = a.b.c.e/28)
firewall/NAT
(private NIC = a.b.c.f/28)
   |
(a.b.c.g/28)
NAT machine
(192.168.0.0/24)
   |
L A N

Thanks for the help!
-Jun




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