Policy

All Processes

This policy setting determines whether Internet Explorer MIME sniffing will prevent promotion of a file of one type to a more dangerous file type. If you enable this policy setting, the Mime Sniffing Safety Feature is enabled for all processes. If you disable or do not configure this policy setting, the Mime Sniffing Safety Feature is disabled for all processes.

Policy
Pack Microsoft Windows
Category Windows Components / Internet Explorer / Security Features / Mime Sniffing Safety Feature
Policy ID 212388353097
Internal name IESF_PolicyAllProcesses_6

Registry

Copy registry mappings

HKLM\Software\Policies\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_MIME_SNIFFING\* (enabled) = 1
HKLM\Software\Policies\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_MIME_SNIFFING\* (disabled) = 0
HKCU\Software\Policies\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_MIME_SNIFFING\* (enabled) = 1
HKCU\Software\Policies\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_MIME_SNIFFING\* (disabled) = 0

Policy notes

This policy setting determines whether Internet Explorer MIME sniffing will prevent promotion of a file of one type to a more dangerous file type. If you enable this policy setting, the Mime Sniffing Safety Feature is enabled for all processes. If you disable or do not configure this policy setting, the Mime Sniffing Safety Feature is disabled for all processes.

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