Programmable completion code (bash) for ip[6]tables (netfilter.org)
PeerGuardian - a privacy oriented firewall application
360-FAAR Analyze FW1 Cisco Netscreen Policy Offline Using Config/Logs
upnp port opener
High-performance WAF built on the OpenResty stack
Simulating an IP packet traversing the Linux kernel.
Network Firewall Linux Kernel Module with Conflict Resolution Engine
A client for the MikroTik RouterOS API protocol, written in PHP.
track log files, block intrusions, and much more
Block or allow connections by country address blocks
Open source voucher management / hotspot system
Extract and Convert Juniper Firewall Policies to CSV
download and convert ip block list
Linux firewall distribution geared towards home and SOHO users.
bash programmable completion for conntrack-tools (netfilter.org)
ngx_lua_waf
Programmable completion code (bash) for ipset (netfilter.org)
High interaction honeypot solution for Linux based systems
pfck - pf check - organizes flow information by host