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Create Deny App Control Policy
Use AppControl Manager to create Deny App Control policies. Keep in mind that App Control is inherently a whitelisting feature so anything that is not allowed by a policy is already automatically blocked.
All Deny policies have Base policy types as other types such as Supplemental cannot have Deny rules in them.
All Deny policies have 2 allow all rules so that anything not denied by them will be allowed. This is mandatory for the policy to work. This also allows Deny policies to be deployed side by side with other policies, because for a file to be allowed, it must be allowed by all deployed policies. Read more about side-by-side deployment here.
With AppControl Manager, you can easily create a Deny base policy by scanning files or folders.
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Browse For Files: Use this button to browse for files on the system. Multiple files can be added at once.
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Browse for Folders: Use this button to browse for folders on the system. Multiple folders can be added at once.
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Policy Name: Enter a name for the Deny policy. You will be able to use this name to detect it after deployment in the System Information section of the AppControl Manager.
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Scalability: Use this gauge to set the number of concurrent threads for the scan. By default, 2 threads are used. Increasing this number will speed up the scan but will also consume more system resources.
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Select Scan Level: You can choose from different scan levels. Refer to this page for all the information about them.
Tip
Use the View Detected File Details section to view highly detailed results of the files and folder scans.
- Create AppControl Policy
- Create Supplemental Policy
- System Information
- Configure Policy Rule Options
- Simulation
- Allow New Apps
- Build New Certificate
- Create Policy From Event Logs
- Create Policy From MDE Advanced Hunting
- Create Deny Policy
- Merge App Control Policies
- Deploy App Control Policy
- Get Code Integrity Hashes
- Get Secure Policy Settings
- Update
- Sidebar
- Introduction
- App Control for Lightly Managed Devices
- App Control for Fully managed device - Variant 1
- App Control for Fully managed device - Variant 2
- App Control for Fully managed device - Variant 3
- App Control for Fully managed device - Variant 4
- App Control Notes
- How to Create and Deploy a Signed App Control Policy
- Fast and Automatic Microsoft Recommended Driver Block Rules updates
- App Control policy for BYOVD Kernel mode only protection
- EKUs in App Control for Business Policies
- App Control Rule Levels Comparison and Guide
- Script Enforcement and PowerShell Constrained Language Mode in App Control Policies
- How to Use Microsoft Defender for Endpoint Advanced Hunting With App Control
- App Control Frequently Asked Questions (FAQs)
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