Promote CSP frame-ancestors
directive
#15768
Merged
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One-line summary
The
frame-ancestors: 'none'
directive prevents the site from being embedded in any<iframe>
,<object>
, or<embed>
elements, mitigating clickjacking attacks.This directive has been running in report-only mode, generating reports without enforcing the policy. The reports show no valid embedding attempts, confirming that the directive will protect the website without breaking any legitimate use cases.
Issue / Bugzilla link
#11943
Testing