The macOS Application Firewall must be enabled.
Overview
| Finding ID | Version | Rule ID | IA Controls | Severity |
|---|---|---|---|---|
| V-214901 | AOSX-13-001080 | SV-214901r609363_rule | Medium |
| Description |
|---|
| The Application Firewall is the built-in firewall that comes with macOS and must be enabled. 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 OS X 10.13 Security Technical Implementation Guide | 2021-11-19 |
Details
| Check Text ( C-16101r397275_chk ) |
|---|
| If an approved HBSS solution is installed, this is not applicable. To check if the macOS firewall has been enabled, run the following command: /usr/bin/sudo /usr/libexec/ApplicationFirewall/socketfilterfw --getglobalstate If the result is "disabled", this is a finding. |
| Fix Text (F-16099r397276_fix) |
|---|
| To enable the firewall, run the following command: /usr/bin/sudo /usr/libexec/ApplicationFirewall/socketfilterfw --setglobalstate on |