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← Back to Apple macOS 15 (Sequoia) Security Technical Implementation Guide

V-268478

CAT II (Medium)

The macOS system must disable Server Message Block (SMB) sharing.

Rule ID

SV-268478r1137691_rule

STIG

Apple macOS 15 (Sequoia) Security Technical Implementation Guide

Version

V1R7

CCIs

CCI-000213

Discussion

Support for SMB file sharing is nonessential and must be disabled. The information system must be configured to provide only essential capabilities. Enabling any service increases the attack surface for an intruder. By disabling unnecessary services, the attack surface is minimized.

Check Content

Verify the macOS system is configured to disable SMB sharing with the following command:

/bin/launchctl print-disabled system | /usr/bin/grep -c '"com.apple.smbd" => disabled'

If the result is not "1", this is a finding.

Fix Text

Configure the macOS system to disable SMB sharing with the following command:

/bin/launchctl disable system/com.apple.smbd

The system may need to be restarted for the update to take effect.