ufw open port code example
Example 1: enable ufw ubuntu
sudo ufw enable
Example 2: ufw allow port
sudo ufw allow http
sudo ufw allow 80
Example 3: allow ip through ufw
sudo ufw allow from 15.15.15.0/24 to any port 22
sudo ufw enable
sudo ufw allow http
sudo ufw allow 80
sudo ufw allow from 15.15.15.0/24 to any port 22