Linux Firewall Configuration with UFW and iptables

Protecting your servers from unauthorized access is a fundamental responsibility for any developer or system administrator. This article will guide you through configuring Linux firewalls using two powerful tools: UFW (Uncomplicated Firewall) and iptables. You'll learn how to set up basic rules, manage common ports, and understand the underlying concepts to secure your applications and data. Why a Linux Firewall Matters Imagine your server is a house. Without a firewall, every door and window is