Thank you very much for your reply. So the dedicated firewall(OpenBSD box) can do NAT and dhcp for the servers(in the DMZ) and the hosts on the internal network?. So should i put the interface that connects the OpenBSD dedicated firewall to the external router/modem(router and modem in one) in the DMZ of the external router/modem?. Then the servers in the DMZ of the dedicated firewall(OpenBSD box)?.
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