Vuln firewall fw list check
This means that basic listing of firewall rules using the iptables -L command failed. It is likely that the firewall on this system is completely non-functional, and indicates an extremely serious error or an indicator of compromise.
'Notes for VPS Machines and Containers
Please note that VPS systems and Containers like Docker may not have the privileges to use the firewall. Please contact your provider for further assistance, this is not an ASL issue.
There are no known False Positives for this.