Policy

Turn off Data URI support

Windows 11 25H2

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Policy overview

Key metadata and intent for this policy.

ClassComputer
CategoryWindows Components > Internet Explorer > Security Features
Supported onAt least Internet Explorer 8.0

This policy setting allows you to turn on or turn off Data URI support. A Data URI allows web developers to encapsulate images and .css files within the body of the URL and optionally encode them by using base 64 encoding. Malware filters or other network-based filters may not properly filter encapsulated data. If you enable this policy setting, Data URI support is turned off. Without Data URI support, a Data URI will be interpreted as a failed URL. If you disable this policy setting, Data URI support is turned on. If you do not configure this policy setting, Data URI support can be turned on or off through the registry.

Internal name
IESF_DisableDataURI
Policy ID
8b8659567768
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_DATAURI\iexplore.exeREG_DWORD
0
1

Policy elements

Inputs and configuration options exposed by this policy.

This policy has no additional user input fields.

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