build_shorthand.py from SCAP Security Guide ssg: 0.1.82 2.0 2026-08-10T21:09:22 The Installed Operating System Is Vendor Supported ocil:ssg-installed_OS_is_vendor_supported_action:testaction:1 Ensure ufw Firewall Rules Exist for All Open Ports ocil:ssg-ufw_rules_for_open_ports_action:testaction:1 PASS FAIL PASS FAIL To verify that the installed operating system is supported, run the following command: $ grep DISTRIB_DESCRIPTION /etc/lsb-release Ubuntu 26.04 Is it the case that the installed operating system is not supported? Run the following command to determine open ports: # ss -tuln Run the following command to determine firewall rules: # ufw status verbose For each port identified in the audit which does not have a firewall rule, add rule for accepting or denying inbound connections # ufw allow in / Is it the case that open ports are denied connection?