Catalina - Disable Bonjour Multicast

Information

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

Solution

This is implemented by a Configuration Profile.

mobileconfig profile info:

com.apple.mDNSResponder:
NoMulticastAdvertisements:
True

See Also

https://github.com/usnistgov/macos_security

Item Details

Audit Name: NIST macOS Catalina v1.5.0 - CNSSI 1253

Category: CONFIGURATION MANAGEMENT

References: 800-53|CM-7, 800-53|CM-7(1), 800-53|CM-7a., CCE|CCE-84749-1, CCI|CCI-000381, STIG-ID|AOSX-15-002005

Plugin: Unix

Control ID: 06a214bc89ba115d1017ff36805826520632c7ef459be6e5b088d02a669bf662