> Hello all, > > I am in the process of learning iptables. Progress is slow but > steady, however there is one thing that continues to vex me and it may > simply be a problem of terminology with regards to finding help. > > I'm looking to eventually replace a couple of firewall machines with > Linux boxes running iptables. For one of the firewalls, the network > it protects consists of machines that all have real-world IP > addresses. Given the nature of the network and its usage, I am cannot > institute NAT on the network. > > Unfortunately, the difficulty I'm running into is that every tutorial > I can find has focused on using NAT. > > Can someone guide me to the specific rules I need, whether by posting > them here or pointing me to a tutorial, in order to provide firewall > services for a network consisting purely of publicly addressable IP's? > > Regards, > Robert Kropiewnicki the recommended read is: http://iptables-tutorial.frozentux.net/iptables-tutorial.html if you are not interested in NAT, ignore any rules/examples that start with "iptables -t nat ..." -j
