To fix the Docker and UFW security flaw without disabling iptables
Daily updated lists of cloud, bot, and service IP ranges
OpenWrt Firewall CLI management tool
CacheGuard Gateway is a UTM, a WAF, and a QoS management appliance.
Anti Spam SMTP Gateway
A simple Web Application Firewall docker image
Programmable completion code (bash) for ip[6]tables (netfilter.org)
Block or allow connections by country address blocks
Linux firewall distribution geared towards home and SOHO users.
High interaction honeypot solution for Linux based systems
Ferramenta Web para Administração de Firewall
A web interface for various penetration testing tools
Collection of security checks for Linux
Easy to use firewall for linux beginners.