Hi. I am a newbie here, I need some helps for my situation.
My set up is that I have Apache as the web server and set it up so that it
would do proxy reverse to the backend web server. It is all good and my
user can use the front web server to view the content provided by the
backend web server.
So I only open my hardware firewall and forward all access to the front end
server. My front end server is a Linux box and have iptables to protect it.
Now i need to forward the ports that are not part of the Apache reverse
proxy (80, 443) to the backend server.
So you see, my front end server is not a gateway and does not provide NAT to
any other server like a firewall gateway settings. I already have a
hardware firewall to protect these two servers. These two servers are in
the same subnet 192.168.0.0/24. I only need it to forward ports to the
backend server and return related data for connections from the back end on
those ports to outside people. I want people to have the impression that
they are connecting to the same server because the software I used do not
allow setting more than one IP address for all the services from the end
user GUI.
Could someone here show me how to do this? Should NAT involve in this?
Thanks.
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