The OS X system must have unused network devices disabled.

From Apple OS X 10.12 Security Technical Implementation Guide

Part of SRG-OS-000480-GPOS-00227

Associated with: CCI-000366

SV-90837r1_rule The OS X system must have unused network devices disabled.

Vulnerability discussion

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.

Check content

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

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

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