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title, description, ms.assetid, ms.prod, ms.mktglfcycl, ms.sitesec, author
| title | description | ms.assetid | ms.prod | ms.mktglfcycl | ms.sitesec | author |
|---|---|---|---|---|---|---|
| DLL rules in AppLocker (Windows 10) | This topic describes the file formats and available default rules for the DLL rule collection. | a083fd08-c07e-4534-b0e7-1e15d932ce8f | W10 | deploy | library | brianlic-msft |
DLL rules in AppLocker
Applies to
- Windows 10
This topic describes the file formats and available default rules for the DLL rule collection.
AppLocker defines DLL rules to include only the following file formats:
-
.dll
-
.ocx
The following table lists the default rules that are available for the DLL rule collection.
| Purpose | Name | User | Rule condition type |
|---|---|---|---|
Allows members of the local Administrators group to run all DLLs |
(Default Rule) All DLLs |
BUILTIN\Administrators |
Path: * |
Allow all users to run DLLs in the Windows folder |
(Default Rule) Microsoft Windows DLLs |
Everyone |
Path: %windir%\* |
Allow all users to run DLLs in the Program Files folder |
(Default Rule) All DLLs located in the Program Files folder |
Everyone |
Path: %programfiles%\* |
Important If you use DLL rules, a DLL allow rule has to be created for each DLL that is used by all of the allowed apps
Caution When DLL rules are used, AppLocker must check each DLL that an app loads. Therefore, users may experience a reduction in performance if DLL rules are used.
Related topics
Understanding AppLocker default rules