System Preferences must be securely configured so IPv6 is turned off if not being used.

From MAC OSX 10.6 Workstation Security Technical Implementation Guide

Associated with IA controls: ECSC-1

SV-37247r1_rule System Preferences must be securely configured so IPv6 is turned off if not being used.

Vulnerability discussion

It is recommended to disable unused hardware devices listed in Network preferences. Enabled, unused devices are a security risk. Hardware is listed in Network preferences only if the hardware is installed in the computer.

Check content

Open System Preferences - > Network. Click Advanced. Click the TCP/IP tab. Ensure "Configure IPv6" is set to "Off". If the option is not set to "Off", this is a finding. NOTE: This must be checked on all network interfaces.

Fix text

Open System Preferences - > Network. Click Advanced. Click the TCP/IP tab and set "Configure IPv6" to "Off", if not actively being used. NOTE: This must be disabled on each network interface.

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