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--- deb9:ufw [2020/06/14 15:59] – Bernard Condrau
+++ deb9:ufw [2022/07/29 00:23] (current) – Bernard Condrau
@@ Line 1: / Line 1: @@
 ====== UFW Firewall ======
   - Install with:<code>apt update
-apt install ufw</code>
+sudo apt install ufw</code>
-  - Check preset profiles and allow necessary services as root:<code>ufw app list
+  - Check preset profiles and allow necessary services as root:<code>sudo ufw app list
-ufw allow OpenSSH
+sudo ufw default allow outgoing
-ufw allow Samba
+sudo ufw allow OpenSSH
-ufw allow 1194 # OpenVPN
+sudo ufw allow "WWW Full"
-ufw allow 3493 # NUT</code>
+sudo ufw allow Samba
+sudo ufw allow 1194 # OpenVPN
+sudo ufw allow 3493 # NUT
+sudo ufw allow <custom port>/tcp # FTP
+sudo ufw allow <custom port:range> # FTP passive port range/tcp</code>
   - Enable firewall and check status:<code>ufw enable
-ufw status</code>
+sudo ufw status</code>
+  - Remove firewall rule:<code>sudo ufw status numbered
+sudo ufw delete <rule number></code>
   * See [[https://www.digitalocean.com/community/tutorials/initial-server-setup-with-debian-9|Initial Server Setup with Debian 9]]

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