Getting Started with UFW Firewall on Debian, Ubuntu, Linux Mint Server

This tutorial is going to show you how to use UFW (Uncomplicated FireWall) on Debian/Ubuntu/Linux Mint with some real-world examples. Managing firewall is a basic skill that every system admin needs to know. This article intends to get the reader started with UFW, but does not explore the ins and outs of UFW.

UFW is a front-end for iptables, to make managing a Netfilter firewall easier. It provides a command line interface with syntax similar to OpenBSD’s Packet Filter.

Read full tutorial here: https://www.linuxbabe.com/security/ufw-firewall-debian-ubuntu-linux-mint-server