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.

Supported on: At least Internet Explorer 6.0 in Windows XP with Service Pack 2 or Windows Server 2003 with Service Pack 1
Registry HiveHKEY_LOCAL_MACHINE or HKEY_CURRENT_USER
Registry PathSoftware\Policies\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_MIME_SNIFFING
Value Name*
Value TypeREG_SZ
Enabled Value1
Disabled Value0

inetres.admx

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