allow port in firewall ubuntu code example

Example 1: firewall allow port ubuntu

sudo ufw allow 2222

Example 2: ubuntu open port

sudo ufw allow 1191/tcp

Example 3: enable ufw ubuntu

sudo ufw enable

Example 4: ufw allow port

sudo ufw allow http
sudo ufw allow 80

Example 5: allow ip through ufw

sudo ufw allow from 15.15.15.0/24  to any port 22