Tag: iptables
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Linux Basics: Understanding and Configuring Firewall Rules with iptables, ufw, and firewalld
Introduction Firewalls are essential for network security. In a Linux environment, several tools help in setting up and configuring these firewalls. This article will guide you through understanding firewall rules and demonstrate how to manage these rules using iptables, firewalld, and ufw. What is a Firewall? A firewall is a network security system that monitors…