setup/doc/firewall.md

Setup Ufw Firewall

• get the latest version of installed packages and refresh the repo cache

sudo apt update

• install firewall directly from the official repository

sudo apt install ufw --no-install-recommends

• configure ports and update firewall

sudo ufw default deny incoming
sudo ufw default allow outgoing
sudo ufw allow <port>
sudo ufw enable
sudo ufw status numbered

Links

Initial Server Setup with Debian 10