The term UFW stands for “Uncomplicated Firewall.” It’s a default firewall program that comes pre-installed with Ubuntu. In this guide, we will walk you through the steps of setting up a firewall with UFW on Ubuntu 18.04. This is why it’s paramount to have a well-configured firewall. It’s the primary line of defense for your servers and data. It’s responsible for managing the incoming and outgoing connections over the network. A firewall is one of the core components of securing a system.
