WireGuard Guide. Learn all about WireGuard for Networking and in the Cloud (Microsoft Azure, AWS, and Google Cloud).

OpenSnitch is a GNU/Linux application firewall

List of opensource cheat sheets

Linux iptables automation tool. It manages the firewall on CERN 's DB Servers.

Using domain name on IPtables. Keep updated firewall rules from dynamic DNS (DDNS).

examples for nftables

A Full Fledged iptables Firewall automation framework For Linux with Log monitoring..

Create Linux Firewall Rule Related to SSH Automatically against BruteForce

Configuration compiler for ConfigServer Firewall & LFD