ufw code example

Example 1: enable ufw ubuntu

sudo ufw enable

Example 2: allow ip through ufw

sudo ufw allow from 15.15.15.0/24  to any port 22

Example 3: homebrew

/bin/bash -c "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install.sh)"

Example 4: ufw linux

sudo ufw default deny incoming
sudo ufw default allow outgoing