Simulating an IP packet traversing the Linux kernel.
Network Firewall Linux Kernel Module with Conflict Resolution Engine
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)
Programmable completion code (bash) for ipset (netfilter.org)
ngx_lua_waf
High interaction honeypot solution for Linux based systems
Firewall Management Script
pfck - pf check - organizes flow information by host
Ferramenta Web para Administração de Firewall
Jateway is a general purpose TCP/IP connection proxy
network control and reporting
A MAC address based user authentication system for campus-wide network