I have just increased our small business from 1 IP to a bank of 5. I want to put 3 servers on the web all using port 80.
We have our domain. We currently use 1 IP given to support our mail server like www.maildomain.net
. We want www.IMdomain.net
. We use a linksys WRTG45 router to NAT port 80 inbound to utilize webmail. The router also is the DHCP server. We have an internal DNS and WINS server on a Windows 2003 server. Can anyone give me suggestions as to the cheapest yet most security oriented way to do this. Also, being a jack of all but master of none can you explain in some detail how to do this whether it be multiple routers, proxy it somehow or use a DNS configuration of some sort or whatever??
I'm guessing a configuration something like this.
ISP (External facing IP's)
192.168.1.x (Internal IP's)
192.168.1.x Mail server
192.168.1.x WebApps server