I am going to show you how to install and enable the Uncomplicated Firewall (ufw) and how to add and delete rules for it. Ufw is a very easy-to-use command line utility, and for those that want a graphical tool, gufw is available as well. REFERENCED: ► https://wiki.archlinux.org/index.php/Uncomplicated_Firewall WANT TO SUPPORT THE CHANNEL? 💰 Patreon: https://www.patreon.com/distrotube 💳 Paypal: https://www.paypal.com/cgi-bin/webscr?cmd=_donations&business=derek%40distrotube%2ecom&lc=US&item_name=DistroTube&no_note=0¤cy_code=USD&bn=PP%2dDonationsBF%3abtn_donateCC_LG%2egif%3aNonHostedGuest 🛍️ Amazon: https://amzn.to/2RotFFi 👕 Teespring: https://teespring.com/stores/distrotube SOCIAL PLATFORMS: 🗨️ Mastodon: https://mastodon.technology/@distrotube 💬 IRC: irc://freenode #distrotube 👫 Reddit: https://www.reddit.com/r/DistroTube/ 📽️ LBRY: https://lbry.tv/$/invite/@DistroTube:2 DT ON THE WEB: 🕸️ Website: http://distrotube.com/ 🐿️ Gopherhole: gopher://distro.tube 📁 GitLab: https://gitlab.com/dwt1 🔊 Audio Podcasts: https://www.buzzsprout.com/1263722 FREE AND OPEN SOURCE SOFTWARE THAT I USE: 🌐 Brave Browser - https://brave.com/dis872 📽️ Open Broadcaster Software: https://obsproject.com/ 🎬 Kdenlive: https://kdenlive.org/ 🎨 GIMP: https://www.gimp.org/ 🎵 Audacity: https://www.audacityteam.org/ 💻 VirtualBox: https://www.virtualbox.org/ 🗒️ Doom Emacs: https://github.com/hlissner/doom-emacs Your support is very much appreciated. Thanks, guys!