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Check: APPL-14-002005

Apple macOS 14 (Sonoma) STIG: APPL-14-002005 (in versions v1 r2 through v1 r1)

Title

The macOS system must disable Bonjour multicast. (Cat II impact)

Discussion

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

Check Content

Verify the macOS system is configured to disable Bonjour multicast with the following command: /usr/bin/osascript -l JavaScript << EOS $.NSUserDefaults.alloc.initWithSuiteName('com.apple.mDNSResponder')\ .objectForKey('NoMulticastAdvertisements').js EOS If the result is not "true", this is a finding.

Fix Text

Configure the macOS system to disable Bonjour multicast by installing the "com.apple.mDNSResponder" configuration profile.

Additional Identifiers

Rule ID: SV-259481r941065_rule

Vulnerability ID: V-259481

Group Title: SRG-OS-000095-GPOS-00049

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CCIs

CCIs tied to check.

Number	Definition
CCI-000381	The organization configures the information system to provide only essential capabilities.

Controls

Controls tied to check. These are derived from the CCIs shown above.

Number	Title
CM-7	Least Functionality