sudo ufw allow 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: ufw allow http and httpw connections

sudo ufw allow http
sudo ufw allow https
sudo ufw enable

Example 4: allow ip through ufw

sudo ufw allow from 15.15.15.0/24  to any port 22