Policy

Internet Explorer Processes

Windows 11 25H2

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Policy overview

Key metadata and intent for this policy.

ClassComputer
CategoryWindows Components > Internet Explorer > Security Features > Consistent Mime Handling
Supported onAt least Internet Explorer 6.0 in Windows XP with Service Pack 2 or Windows Server 2003 with Service Pack 1

Supported OS tags: Windows10, Windows10RT, Windows11, Windows7, Windows8, Windows81, WindowsRT, WindowsRT81, WindowsServer2003, WindowsServer2008, WindowsServer2012, WindowsServer2012R2, WindowsServer2016, WindowsVista, WindowsXP

Internet Explorer uses Multipurpose Internet Mail Extensions (MIME) data to determine file handling procedures for files received through a Web server. This policy setting determines whether Internet Explorer requires that all file-type information provided by Web servers be consistent. For example, if the MIME type of a file is text/plain but the MIME sniff indicates that the file is really an executable file, Internet Explorer renames the file by saving it in the Internet Explorer cache and changing its extension. If you enable this policy setting, Internet Explorer requires consistent MIME data for all received files. If you disable this policy setting, Internet Explorer will not require consistent MIME data for all received files. If you do not configure this policy setting, Internet Explorer requires consistent MIME data for all received files.

Internal name
IESF_PolicyExplorerProcesses_5
Policy ID
1f1f7e001d04
Elements
0

Registry values

How enabled and disabled states update the registry.

Registry locationTypeEnabled valueDisabled value
HKLM\Software\Policies\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_MIME_HANDLING\(Reserved)REG_SZ
1
0
HKLM\Software\Policies\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_MIME_HANDLING\explorer.exeREG_SZ
1
0
HKLM\Software\Policies\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_MIME_HANDLING\iexplore.exeREG_SZ
1
0

Policy elements

Inputs and configuration options exposed by this policy.

This policy has no additional user input fields.

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