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Microsoft.Policies.InternetExplorer• Both

Internet Explorer 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, MIME sniffing will never promote a file of one type to a more dangerous file type. If you disable this policy setting, Internet Explorer processes will allow a MIME sniff promoting a file of one type to a more dangerous file type. If you do not configure this policy setting, MIME sniffing will never promote a file of one type to a more dangerous file type.

Policy Details

Policy Name
IESF_PolicyExplorerProcesses_6
Registry Key
Software\Policies\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_MIME_SNIFFING
Supported On
At least Internet Explorer 6.0 in Windows XP with Service Pack 2 or Windows Server 2003 with Service Pack 1
OMA-URI (CSP)
InternetExplorer/MimeSniffingSafetyFeatureInternetExplorerProcesses
OS Build Version:10.0.16299
CSP Version:6.0
Conflict Resolution:LastWrite
Allowed Editions:
EnterpriseEnterprise NProfessionalProfessional NEnterprise EvaluationEnterprise N EvaluationEducationEducation NEnterprise SEnterprise S NEnterprise S EvaluationEnterprise S N EvaluationPro Single LanguagePro ChinaPro WorkstationPro Workstation NPro For EducationPro For Education NEnterprisegEnterprisegnServerrdshIotenterpriseIotenterprisesCloudeditionnCloudeditionIotenterpriseskIotenterpriseseval
Available Languages
en-us

Supported Values

Simple Enabled/Disabled toggle controlling whether the value exists under the configured registry key.