Add more scripts

scripts/ufw.sh

@@ -0,0 +1,25 @@
+#!/bin/bash
+
+set -euo pipefail
+
+sudo apt install -y ufw
+
+sudo ufw default deny incoming
+sudo ufw default allow outgoing
+
+# Allow SSH port
+port=$(cat /etc/ssh/sshd_config | grep -o 'Port [0-9]*' | grep -o '[0-9]*')
+sudo ufw allow "$port/tcp"
+
+# Allow Nginx if installed
+if ! which nginx; then
+    sudo ufw allow "Nginx Full"
+fi
+
+sudo ufw show added
+
+read -p "Rules good? [y/N]: " prompt
+if [[ $prompt == "y" ]]; then
+    sudo ufw enable
+fi
+