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APPL-15-002170 The macOS system must disable iCloud Private Relay.

DISA STIG library V1R8
All changes in this version
first version loaded CAT II

Maps to CM-7 via CCI-000381

Title

The macOS system must disable iCloud Private Relay.

Control

Verify the macOS system is configured to disable the iCloud Private Relay with the following command: /usr/bin/osascript -l JavaScript << EOS $.NSUserDefaults.alloc.initWithSuiteName('com.apple.applicationaccess')\ .objectForKey('allowCloudPrivateRelay').js EOS If the result is not "false", this is a finding.

Discussion

Enterprise networks may be required to audit all network traffic by policy; therefore, iCloud Private Relay must be disabled. Network administrators can also prevent the use of this feature by blocking DNS resolution of mask.icloud.com and mask-h2.icloud.com.

Related controls

CCI-000381

Fix

Configure the macOS system to disable the iCloud Private Relay by installing the "com.apple.applicationaccess" configuration profile.