Remove obsolete block-all-mixed-content
CSP directive
#63595
Merged
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The
block-all-mixed-content
CSP directive has been deprecated and it is not recommended to use it anymore.Furthermore, the
upgrade-insecure-requests
directive is evaluated beforeblock-all-mixed-content
, if the former is set, the latter does nothing.Reference: https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Content-Security-Policy/block-all-mixed-content
Reference: https://www.w3.org/TR/mixed-content/#strict-checking