iptables-rules topic
ansible-role-firewall
A role to manage iptables rules which doesn't suck.
vpnfailsafe
IP leak prevention for OpenVPN
net-network
Public collection of firewall dumps.
iptables-essentials
Iptables Essentials: Common Firewall Rules and Commands.
iptable_vis
visualise your iptables chains
toriptables3
Tor Iptables script is an anonymizer that sets up iptables and tor to route all services and traffic including DNS through the Tor network.
templr
An iptables firewall manager
ban2fail
Simple & efficient log file scanning and iptable filtering
EPF
EPF is Easy Port Forwarder and Traffic Tunnel for Ubuntu and other distros.
cloudflare-ips-only
An iptables script that allows your HTTP(80)/HTTPS(443) port to receive traffic from cloudflare only