Hardening a Linux Server with UFW Introduction # 1. 1 "Teaser" overview In this project, I tested how a Linux host-based firewall changes the way a server appears during network reconnaissance. Using Nmap, I scanned a TripleTen play-server before and after enabling UFW.
Source: [Dev.to](https://dev.to/godfrey-stago88/hardening-a-linux-server-with-ufw-5hbh)