The operating system must enable an application firewall, if available.

Overview

Finding ID	Version	Rule ID	IA Controls	Severity
V-203784	SRG-OS-000480-GPOS-00232	SV-203784r991593_rule		Medium

Description

Firewalls protect computers from network attacks by blocking or limiting access to open network ports. Application firewalls limit which applications are allowed to communicate over the network.

STIG	Date
General Purpose Operating System Security Requirements Guide	2024-12-04

Details

Check Text (C-3909r375743_chk)

Verify the operating system enabled an application firewall, if available. If it does not, this is a finding. If the operating system does not support an application firewall, this may be downgraded to a CAT III finding.

Fix Text (F-3909r375744_fix)

Ensure the operating system's application firewall is enabled, if available.