3.5.1.1 Ensure ufw is installed

Audit

Run the following command to verify that Uncomplicated Firewall (UFW) is installed:

# dpkg-query -W -f='${binary:Package}\t${Status}\t${db:Status-Status}\n' ufw
ufw install ok installed installed

Remediation

Run the following command to install Uncomplicated Firewall (UFW):

apt install ufw