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The macOS firewall must have logging enabled.
Overview
| Finding ID | Version | Rule ID | IA Controls | Severity |
|---|---|---|---|---|
| V-81671 | AOSX-13-000950 | SV-96385r1_rule | Medium |
| Description |
|---|
| Firewall logging must be enabled. This ensures that malicious network activity will be logged to the system. |
| STIG | Date |
|---|---|
| Apple OS X 10.13 Security Technical Implementation Guide | 2018-10-01 |
Details
| Check Text ( C-81447r1_chk ) |
|---|
| If HBSS is used, this is not applicable. To check if the macOS firewall has logging enabled, run the following command: /usr/libexec/ApplicationFirewall/socketfilterfw --getloggingmode | /usr/bin/grep on If the result does not show "on", this is a finding. |
| Fix Text (F-88519r1_fix) |
|---|
| To enable the firewall logging, run the following command: /usr/bin/sudo /usr/libexec/ApplicationFirewall/socketfilterfw --setloggingmode on |