A firewall for humans.
iptables script in only one file
A secure, feature-rich, customizable embedded Linux network appliance
Free UTM appliance: firewall, VPN, WAF and antivirus in one ISO.
Share a VPN connection with VMs or containers
Gentoo Cluster Managment Tools
Anti Spam SMTP Gateway
B2D/OB2D 中文 Linux 計劃
An iptables IPv4 firewall and traffic shaping program
Bash script to enable the firewall on startup of your Ubuntu server.
A set of scrips for interactive Debian 10 configuration
blocklists for openbsd,freebsd,linux,iptables,bsd pf,pf,ipfilter
ipset set listing wrapper script
A powerful network security tool, easy, safe and totally free.
Programmable completion code (bash) for ip[6]tables (netfilter.org)
Guacamole Remote Desktop Gateway Install Script
Block or allow connections by country address blocks