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41 lines
2.5 KiB
Markdown
41 lines
2.5 KiB
Markdown
---
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title: Configure Windows Defender Firewall with Advanced Security to Suppress Notifications When a Program is Blocked
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description: Configure Windows Defender Firewall with Advanced Security to suppress notifications when a program is Blocked
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ms.prod: windows-client
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ms.topic: conceptual
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ms.date: 09/07/2021
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---
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# Configure Windows Defender Firewall with Advanced Security to Suppress Notifications When a Program Is Blocked
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To configure Windows Defender Firewall with Advanced Security to suppress the display of a notification when it blocks a program that tries to listen for network traffic and to prohibit locally defined rules, use the Windows Defender Firewall with Advanced Security node in the Group Policy Management console.
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>**Caution:** If you choose to disable alerts and prohibit locally defined rules, then you must create firewall rules that allow your users’ programs to send and receive the required network traffic. If a firewall rule is missing, then the user does not receive any kind of warning, the network traffic is silently blocked, and the program might fail.
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We recommend that you don't enable these settings until you've created and tested the required rules.
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**Administrative credentials**
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To complete these procedures, you must be a member of the Domain Administrators group, or otherwise be delegated permissions to modify the GPOs.
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## To configure Windows Defender Firewall to suppress the display of a notification for a blocked program and to ignore locally defined rules
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1. Open the Group Policy Management Console to [Windows Defender Firewall with Advanced Security](open-the-group-policy-management-console-to-windows-firewall-with-advanced-security.md).
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2. In the details pane, in the **Overview** section, click **Windows Defender Firewall Properties**.
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3. For each network location type (Domain, Private, Public), perform the following steps.
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1. Click the tab that corresponds to the network location type.
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2. Under **Settings**, click **Customize**.
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3. Under **Firewall settings**, change **Display a notification** to **No**.
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4. Under **Rule merging**, change **Apply local firewall rules** to **No**.
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5. Although a connection security rule isn't a firewall setting, you can also use this tab to prohibit locally defined connection security rules if you're planning to deploy IPsec rules as part of a server or domain isolation environment. Under **Rule merging**, change **Apply local connection security rules** to **No**.
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6. Click **OK** twice.
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