DISA STIGS Viewer

The macOS system must enable macOS Application Firewall.

Overview

Finding ID Version Rule ID IA Controls Severity
V-268557 APPL-15-005050 SV-268557r1034611_rule   Medium
Description
The macOS Application Firewall is the built-in firewall that comes with macOS, and it must be enabled. When the macOS Application Firewall is enabled, the flow of information within the information system and between interconnected systems will be controlled by approved authorizations.
STIG Date
Apple macOS 15 (Sequoia) Security Technical Implementation Guide 2025-05-05

Details

Check Text (C-72587r1034609_chk)
Verify the macOS system is configured to enable the Application Firewall with the following command:

/usr/bin/osascript -l JavaScript << EOS
$.NSUserDefaults.alloc.initWithSuiteName('com.apple.security.firewall')\
.objectForKey('EnableFirewall').js
EOS

If the result is not "true", this is a finding.
Fix Text (F-72488r1034610_fix)
Configure the macOS system to enable the Application Firewall by installing the "com.apple.security.firewall" configuration profile.