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os_bonjour_disable Disable Bonjour Multicast

NIST macOS Security Compliance Project Sequoia Guidance, Revision 4.0 (be5491f)
All changes in this version
first version loaded macOS

Title

Disable Bonjour Multicast

Control

/usr/bin/osascript -l JavaScript << EOS
$.NSUserDefaults.alloc.initWithSuiteName('com.apple.mDNSResponder')\
.objectForKey('NoMulticastAdvertisements').js
EOS

Discussion

Bonjour multicast advertising _MUST_ be disabled to prevent the system from broadcasting its presence and available services over network interfaces.

Related controls

cm-7, cm-7.1

Fix

This is implemented by a Configuration Profile.