STIG V-268524 | The macOS system must disable iCloud ...

macOS 15 - Sequoia

The macOS system must disable iCloud Private Relay

STIG ID: APPL-15-002170 | SRG: SRG-OS-000095-GPOS-00049 | Severity: Medium | CCI: CCI-000381 | Vulnerability ID: V-268524

Description

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.

Check

C-268524r1034512_chk

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').jsEOSIf the result is not "false", this is a finding.

Fix

F-72455r1034511_fix

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