I need to set up port forwarding as part of my firewall script for a Debian box I've set up. I've got the general idea on how to set up port forwarding using iptables but I want to make sure I get it ...

I've been asked by a friend to help with his small fleet; he's got 15-20 nodes that he wants to get iptables rules set up. They're all bare metal and with a bunch of hosting providerss so he doesn't ...