When setting up an Ubuntu server for production, securing the system is crucial to ensure its stability, safety, and accessibility. Although Ubuntu comes with many built-in security features, it’s important to take extra steps to protect your system from unauthorized access and attacks.
In this guide, we’ll cover three essential tools to enhance your Ubuntu server security: UFW (Uncomplicated Firewall), Fail2ban, and AppArmor. These tools will help secure your server by controlling network access, preventing brute-force login attempts, and protecting applications.