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os_power_nap_enable Enable Power Nap

NIST macOS Security Compliance Project Tahoe Guidance, Revision 3.0 (cf656e8)
All changes in this version
first version loaded macOS

Title

Enable Power Nap

Control

/usr/bin/pmset -g custom | /usr/bin/awk '/powernap/ { sum+=$2 } END {print sum}'

Discussion

Power Nap _MUST_ be enabled.

NOTE: Power nap can interfere with USB power and may cause devices such as smartcards to stop functioning until a reboot.

The following Macs support Power Nap:

* MacBook (Early 2015 and later)
* MacBook Air (Late 2010 and later)
* MacBook Pro (all models with Retina display)
* Mac mini (Late 2012 and later)
* iMac (Late 2012 and later)
* Mac Pro (Late 2013 and later)

Fix

[source,bash]
----
/usr/bin/pmset -a powernap 1
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