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The macOS Application Firewall must be enabled.
Overview
| Finding ID | Version | Rule ID | IA Controls | Severity |
|---|---|---|---|---|
| V-257242 | APPL-13-005050 | SV-257242r905359_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 |
|---|---|
| Apple macOS 13 (Ventura) Security Technical Implementation Guide | 2024-02-06 |
Details
| Check Text ( C-60927r905357_chk ) |
|---|
| Verify the macOS system is configured to enable the built-in firewall with the following command: /usr/sbin/system_profiler SPConfigurationProfileDataType | /usr/bin/grep "EnableFirewall\|EnableStealthMode" EnableFirewall = 1; EnableStealthMode = 1; If "EnableFirewall" and "EnableStealthMode" are not set to "1", this is a finding. |
| Fix Text (F-60868r905358_fix) |
|---|
| Configure the macOS system to enable the built-in firewall by installing the "Restrictions Policy" configuration profile. |