Add UFW config

arch.sh

@@ -403,6 +403,11 @@ main() {
     sudo systemctl enable avahi-daemon.service
     sudo systemctl start avahi-daemon.service
 
+    # === UFW ==
+    sudo systemctl enable ufw.service
+    sudo systemctl start ufw.service
+    sudo ufw default deny
+
     printf "\nConcernant le Secure Boot, voici le tuto :"
     echo "https://www.reddit.com/r/archlinux/comments/zo83gb/how_i_setup_secure_boot_for_arch_linux_simple/"
     echo -e "\n\nInstallation terminée.\nIl faut redémarrer l'ordinateur."