OPNsense is an open source, easy to use firewall and routing platform
Programmable completion code (bash) for ip[6]tables (netfilter.org)
360-FAAR Analyze FW1 Cisco Netscreen Policy Offline Using Config/Logs
High-performance WAF built on the OpenResty stack
Programmable completion code (bash) for ipset (netfilter.org)
ddos_deflate, el Guapo Edition is network trench defense!
iptables generation tool for large linux networks