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SMB File Sharing must be disabled unless required.
Overview
| Finding ID | Version | Rule ID | IA Controls | Severity |
|---|---|---|---|---|
| V-67531 | AOSX-11-000139 | SV-82021r1_rule | Medium |
| Description |
|---|
| File Sharing is usually non-essential and must be disabled if not required. Enabling any service increases the attack surface for an intruder. By disabling unnecessary services, the attack surface is minimized. |
| STIG | Date |
|---|---|
| Apple OS X 10.11 Security Technical Implementation Guide | 2017-07-11 |
Details
| Check Text ( C-68097r1_chk ) |
|---|
| If SMB File Sharing is required, this is not applicable. To check if the SMB File Sharing service is disabled, use the following command: /usr/bin/sudo /bin/launchctl print-disabled system | /usr/bin/grep com.apple.smbd If the results do not show the following, this is a finding. "com.apple.smbd" => true |
| Fix Text (F-73645r1_fix) |
|---|
| To disable the SMB File Sharing service, run the following command: /usr/bin/sudo /bin/launchctl disable system/com.apple.smbd The system may need to be restarted for the update to take effect. |