Iptables provides packet filtering, network address translation (NAT) and other packet mangling. Two of the most common uses of iptables is to provide firewall support and NAT. Configuring iptables manually is challenging for the uninitiated. Fortunately, there are many configuration tools (wizards) available to assist: e.g., fwbuilder, bastille, ferm (wiki …
Iptables setting Firewall Debian Linux
