An iptables IPv4 firewall and traffic shaping program
ipset set listing wrapper script
Programmable completion code (bash) for ip[6]tables (netfilter.org)
360-FAAR Analyze FW1 Cisco Netscreen Policy Offline Using Config/Logs
A client for the MikroTik RouterOS API protocol, written in PHP.
Programmable completion code (bash) for ipset (netfilter.org)
Firewall Management Script
Easy to use tool to block unwanted network access.