Vulnerability Discussion
A firewall provides a line of defense against attack, allowing or blocking inbound and outbound connections based on a set of rules.
Check
Determine if a host-based firewall is installed and enabled on the system.
If a host-based firewall is not installed and enabled on the system, this is a finding.
The configuration requirements will be determined by the applicable firewall STIG.
Fix
Install and enable a host-based firewall on the system.