ufw

Infro

sudo ufw status
sudo ufw allow <PORT>/tcp
sudo ufw status
sudo ufw enable
sudo ufw disable

Ref: https://www.digitalocean.com/community/tutorials/how-to-set-up-a-firewall-with-ufw-on-ubuntu

Terminal interface for ufw

• https://github.com/peltho/tufw?tab=readme-ov-file