The macOS system must disable iCloud Private Relay.
Overview
| Finding ID | Version | Rule ID | IA Controls | Severity |
| V-277132 | APPL-26-002170 | SV-277132r1148848_rule | CCI-000381 | medium |
| 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. | ||||
| STIG | Date | |||
| Apple macOS 26 (Tahoe) Security Technical Implementation Guide | 2026-02-11 | |||
Details
Check Text (C-277132r1148848_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').js
EOS
If the result is not "false", this is a finding.
Fix Text (F-81192r1148847_fix)
Configure the macOS system to disable the iCloud Private Relay by installing the "com.apple.applicationaccess" configuration profile.