Share a VPN connection with VMs or containers
iptables mini-script in file-wizard
An iptables IPv4 firewall and traffic shaping program
Bash script to enable the firewall on startup of your Ubuntu server.
ipset set listing wrapper script
Programmable completion code (bash) for ip[6]tables (netfilter.org)
A client for the MikroTik RouterOS API protocol, written in PHP.
bash programmable completion for conntrack-tools (netfilter.org)
Programmable completion code (bash) for ipset (netfilter.org)
Firewall Management Script
Easy Firewall Script
Detect Flooder IPs, Reduce Attack Surface against HTTP Flood Attacks
HardWall Firewall for Linux 2.4/2.6