IPBan is a trusted, free security software to block hackers
Web Application Firewall (WAF) package for Laravel
Intelligently block brute-force attacks by aggregating system logs
Spock SLAF is a Shared Library Application Firewall "SLAF".
Open-source, high performance, low rules maintenance WAF for NGINX
Blocking and monitoring of network traffic based on geography.
360-FAAR Analyze FW1 Cisco Netscreen Policy Offline Using Config/Logs
Intrusion Detection and Defense System for windows
A MAC address based user authentication system for campus-wide network
Free Web Application Firewall
Passive or learning mode of web application firewalls to evaluate WAF
Block undesired IPs for vsftp