View the security misconfiguration catalog
  • Misconfiguration Name
  • Firewall rules are not configured for all open ports
  • Description
  • Any ports that have been opened on non-loopback addresses need firewall rules to govern the traffic.
  • Severity
  • important
  • Category
  • Linux - Firewall
  • Resolution
  • Follow the below steps to resolve the misconfiguration. Get the list of ports using the following command : sudo ss -tupln state listening For each port in the above command which does not have a firewall rule establish a proper rule for accepting inbound connections.
  • Potential issues that may arise after applying the resolution
  • Altering the existing security setting may create the following impact in your network operations.
  • Does remediation require reboot?
  • No