Share a VPN connection with VMs or containers
An iptables IPv4 firewall and traffic shaping program
One of the most advanced DNS Proxy and DNS Firewall in one product.
Create and delete block rules for the Windows firewall
ipset set listing wrapper script
Programmable completion code (bash) for ipset (netfilter.org)
A simple captive portal
c# tool for generate wipfw batch script configurator
OpenBSD IPsec based VPN