How to set up a firewall on Ubuntu
One of the fundamental elements of server security is a firewall. Specifically on Ubuntu, the firewall is implemented as UFW (Uncomplicated Firewall). Knowing how to set up a firewall on Ubuntu is crucial for server security and the proper functioning of services. UFW (Uncomplicated Firewall) is a software tool for managing the firewall on the Ubuntu operating system. The purpose of the firewall is to secure the computer against unauthorized access, monitor and control network traffic. UFW operates based on a set of rules that determine which network traffic is allowed or blocked. These rules … Read more