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APPL-26-002006 The macOS system must disable Unix-to-Unix Copy Protocol (UUCP) service.

DISA STIG library V1R4
All changes in this version
first version loaded CAT II

Maps to AC-3 via CCI-000213

Title

The macOS system must disable Unix-to-Unix Copy Protocol (UUCP) service.

Control

Verify the macOS system is configured to disable UUCP service with the following command: result="FAIL" enabled=$(/bin/launchctl print-disabled system | /usr/bin/grep '"com.apple.uucp" => enabled') running=$(/bin/launchctl print system/com.apple.uucp 2>/dev/null) if [[ -z "$running" ]] && [[ -z "$enabled" ]]; then result="PASS" elif [[ -n "$running" ]]; then result=result+" RUNNING" elif [[ -n "$enabled" ]]; then result=result+" ENABLED" fi echo $result If the result is not "PASS", this is a finding.

Discussion

The system must not have the UUCP service active. UUCP, a set of programs that enables sending files between different Unix systems and sending commands to be executed on another system, is not essential and must be disabled to prevent unauthorized connection of devices, transfer of information, and tunneling. Note: UUCP service is disabled at startup by default with macOS.

Related controls

CCI-000213

Fix

Configure the macOS system to disable UUCP service with the following command: /bin/launchctl bootout system/com.apple.uucp /bin/launchctl disable system/com.apple.uucp The system may need a restart for the update to take effect.