firewalls

In the realm of Linux system administration, ensuring the security of your servers is paramount. One of the foundational tools for securing network access to your Linux system is a firewall. A firewall allows you to control the inbound and outbound connections on your system, giving you the power to define exactly what traffic can enter and leave. Among the numerous firewall tools available for Linux, ufw, which stands for Uncomplicated Firewall, offers a user-friendly approach to managing firewall rules. It acts as a frontend for the more complex iptables and is aimed at easing the process of configuring a firewall. In this post, we'll walk through the steps to set up ufw on your Linux system. First, you need to install ufw.