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.
| Registry Hive | HKEY_LOCAL_MACHINE or HKEY_CURRENT_USER |
| Registry Path | Software\Policies\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_MIME_SNIFFING |
| Value Name | * |
| Value Type | REG_SZ |
| Enabled Value | 1 |
| Disabled Value | 0 |