iptables script in only one file
Free UTM appliance: firewall, VPN, WAF and antivirus in one ISO.
OpenBSD based firewall distribution
IPFIRE Firewall for ARM architecture (OrangePi)
Program to block League of Legends contacts.
One of the most advanced DNS Proxy and DNS Firewall in one product.
Bypass your ISP's firewalls and connect to the internet!
Provisions Simple Secure Network Firewall/Router
Powerfull Web Application Firewall for PHP
360-FAAR Analyze FW1 Cisco Netscreen Policy Offline Using Config/Logs
Webinterface to (un)ban IPs in Fail2Ban
Open source voucher management / hotspot system
Manager Update Platform/Packages for pfSense Multisite
download and convert ip block list
network control and reporting
ddos_deflate, el Guapo Edition is network trench defense!
Nginx and Lua Based Easy to setup Web Application Firewall
Firewall/Proxy FreeBSD
Easy to use firewall for linux beginners.
Server and Client applications for testing network connectivity.