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The macOS system must have unused network devices disabled.


Overview

Finding ID Version Rule ID IA Controls Severity
V-81715 AOSX-13-001235 SV-96429r1_rule Medium
Description
If an unused network device is left enabled, a user might be able to activate it at a later time. Unused network devices should be disabled.
STIG Date
Apple OS X 10.13 Security Technical Implementation Guide 2019-03-08

Details

Check Text ( C-81495r1_chk )
To list the network devices that are enabled on the system, run the following command:

/usr/bin/sudo /usr/sbin/networksetup -listallnetworkservices

A disabled device will have an asterisk in front of its name.

If any listed device that is not in use is missing this asterisk, this is a finding.
Fix Text (F-88563r1_fix)
To disable a network device, run the following command, substituting the name of the device in place of "''":

/usr/bin/sudo /usr/sbin/networksetup -setnetworkserviceenabled '' off