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75 lines
4.1 KiB
Markdown
75 lines
4.1 KiB
Markdown
---
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title: Use network protection to help prevent connections to bad sites
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description: Protect your network by preventing users from accessing known malicious and suspicious network addresses
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keywords: Network protection, exploits, malicious website, ip, domain, domains
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search.product: eADQiWindows 10XVcnh
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ms.pagetype: security
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ms.prod: w10
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ms.mktglfcycl: manage
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ms.sitesec: library
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ms.pagetype: security
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ms.localizationpriority: medium
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author: andreabichsel
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ms.author: v-anbic
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ms.date: 08/09/2018
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---
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# Protect your network
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**Applies to:**
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- Windows Defender Advanced Threat Protection (Windows Defender ATP)
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Network protection helps reduce the attack surface of your devices from Internet-based events. It prevents employees from using any application to access dangerous domains that may host phishing scams, exploits, and other malicious content on the Internet.
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It expands the scope of [Windows Defender SmartScreen](../windows-defender-smartscreen/windows-defender-smartscreen-overview.md) to block all outbound HTTP(s) traffic that attempts to connect to low-reputation sources (based on the domain or hostname).
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>[!TIP]
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>You can also visit the Windows Defender Testground website at [demo.wd.microsoft.com](https://demo.wd.microsoft.com?ocid=cx-wddocs-testground) to confirm the feature is working and see how it works.
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Network protection works best with [Windows Defender Advanced Threat Protection](../windows-defender-atp/windows-defender-advanced-threat-protection.md), which gives you detailed reporting into Windows Defender EG events and blocks as part of the usual [alert investigation scenarios](../windows-defender-atp/investigate-alerts-windows-defender-advanced-threat-protection.md).
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When network protection blocks a connection, a notification will be displayed from the Action Center. You can [customize the notification](customize-attack-surface-reduction.md#customize-the-notification) with your company details and contact information. You can also enable the rules individually to customize what techniques the feature monitors.
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You can also use [audit mode](audit-windows-defender-exploit-guard.md) to evaluate how Network protection would impact your organization if it were enabled.
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## Requirements
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Network protection requires Windows 10 Enterprise E3 and Windows Defender AV real-time protection.
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Windows 10 version | Windows Defender Antivirus
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- | -
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Windows 10 version 1709 or later | [Windows Defender AV real-time protection](../windows-defender-antivirus/configure-real-time-protection-windows-defender-antivirus.md) and [cloud-delivered protection](../windows-defender-antivirus/enable-cloud-protection-windows-defender-antivirus.md) must be enabled
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## Review network protection events in Windows Event Viewer
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You can review the Windows event log to see events that are created when network protection blocks (or audits) access to a malicious IP or domain:
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1. Download the [Exploit Guard Evaluation Package](https://aka.ms/mp7z2w) and extract the file *np-events.xml* to an easily accessible location on the machine.
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1. Type **Event viewer** in the Start menu to open the Windows Event Viewer.
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2. On the left panel, under **Actions**, click **Import custom view...**
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3. Navigate to the Exploit Guard Evaluation Package, and select the file *np-events.xml*. Alternatively, [copy the XML directly](event-views-exploit-guard.md).
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4. Click **OK**.
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5. This will create a custom view that filters to only show the following events related to network protection:
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Event ID | Description
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-|-
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5007 | Event when settings are changed
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1125 | Event when network protection fires in audit mode
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1126 | Event when network protection fires in block mode
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## In this section
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Topic | Description
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---|---
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[Evaluate network protection](evaluate-network-protection.md) | Undertake a quick scenario that demonstrate how the feature works, and what events would typically be created.
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[Enable network protection](enable-network-protection.md) | Use Group Policy, PowerShell, or MDM CSPs to enable and manage network protection in your network.
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