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windows/security/threat-protection/windows-firewall/open-the-group-policy-management-console-to-windows-firewall-with-advanced-security.md
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--- ---
title: Group Policy Management of Windows Firewall with Advanced Security (Windows 10) title: Group Policy Management of Windows Firewall with Advanced Security (Windows)
description: Group Policy Management of Windows Firewall with Advanced Security description: Group Policy Management of Windows Firewall with Advanced Security
ms.assetid: 28afab36-8768-4938-9ff2-9d6dab702e98 ms.assetid: 28afab36-8768-4938-9ff2-9d6dab702e98
ms.reviewer: ms.reviewer:
@ -14,7 +14,7 @@ manager: dansimp
audience: ITPro audience: ITPro
ms.collection: M365-security-compliance ms.collection: M365-security-compliance
ms.topic: conceptual ms.topic: conceptual
ms.date: 04/19/2017 ms.date: 09/08/2021
ms.technology: mde ms.technology: mde
--- ---
@ -22,7 +22,8 @@ ms.technology: mde
**Applies to** **Applies to**
- Windows 10 - Windows 10
- Windows Server 2016 - Windows 11
- Windows Server 2016 and above
Most of the procedures in this guide instruct you to use Group Policy settings for Windows Firewall with Advanced Security. Most of the procedures in this guide instruct you to use Group Policy settings for Windows Firewall with Advanced Security.

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windows/security/threat-protection/windows-firewall/open-the-group-policy-management-console-to-windows-firewall.md
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--- ---
title: Group Policy Management of Windows Defender Firewall (Windows 10) title: Group Policy Management of Windows Defender Firewall (Windows)
description: Group Policy Management of Windows Defender Firewall with Advanced Security description: Group Policy Management of Windows Defender Firewall with Advanced Security
ms.assetid: 5090b2c8-e038-4905-b238-19ecf8227760 ms.assetid: 5090b2c8-e038-4905-b238-19ecf8227760
ms.reviewer: ms.reviewer:
@ -14,7 +14,7 @@ manager: dansimp
audience: ITPro audience: ITPro
ms.collection: M365-security-compliance ms.collection: M365-security-compliance
ms.topic: conceptual ms.topic: conceptual
ms.date: 04/02/2017 ms.date: 09/08/2021
ms.technology: mde ms.technology: mde
--- ---
@ -22,7 +22,8 @@ ms.technology: mde
**Applies to** **Applies to**
- Windows 10 - Windows 10
- Windows Server 2016 - Windows 11
- Windows Server 2016 and above
To open a GPO to Windows Defender Firewall: To open a GPO to Windows Defender Firewall:

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windows/security/threat-protection/windows-firewall/open-windows-firewall-with-advanced-security.md
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title: Open Windows Defender Firewall with Advanced Security (Windows 10) title: Open Windows Defender Firewall with Advanced Security (Windows)
description: Learn how to open the Windows Defender Firewall with Advanced Security console. You must be a member of the Administrators group. description: Learn how to open the Windows Defender Firewall with Advanced Security console. You must be a member of the Administrators group.
ms.assetid: 788faff2-0f50-4e43-91f2-3e2595c0b6a1 ms.assetid: 788faff2-0f50-4e43-91f2-3e2595c0b6a1
ms.reviewer: ms.reviewer:
@ -14,7 +14,7 @@ manager: dansimp
audience: ITPro audience: ITPro
ms.collection: M365-security-compliance ms.collection: M365-security-compliance
ms.topic: conceptual ms.topic: conceptual
ms.date: 08/17/2017 ms.date: 09/08/2021
ms.technology: mde ms.technology: mde
--- ---
@ -22,7 +22,8 @@ ms.technology: mde
**Applies to** **Applies to**
- Windows 10 - Windows 10
- Windows Server 2016 - Windows 11
- Windows Server 2016 and above
This procedure shows you how to open the Windows Defender Firewall with Advanced Security console. This procedure shows you how to open the Windows Defender Firewall with Advanced Security console.

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windows/security/threat-protection/windows-firewall/planning-certificate-based-authentication.md
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title: Planning Certificate-based Authentication (Windows 10) title: Planning Certificate-based Authentication (Windows)
description: Learn how a device unable to join an Active Directory domain can still participate in an isolated domain by using certificate-based authentication. description: Learn how a device unable to join an Active Directory domain can still participate in an isolated domain by using certificate-based authentication.
ms.assetid: a55344e6-d0df-4ad5-a6f5-67ccb6397dec ms.assetid: a55344e6-d0df-4ad5-a6f5-67ccb6397dec
ms.reviewer: ms.reviewer:
@ -14,7 +14,7 @@ manager: dansimp
audience: ITPro audience: ITPro
ms.collection: M365-security-compliance ms.collection: M365-security-compliance
ms.topic: conceptual ms.topic: conceptual
ms.date: 04/19/2017 ms.date: 09/08/2021
ms.technology: mde ms.technology: mde
--- ---
@ -22,7 +22,8 @@ ms.technology: mde
**Applies to** **Applies to**
- Windows 10 - Windows 10
- Windows Server 2016 - Windows 11
- Windows Server 2016 and above
Sometimes a device cannot join an Active Directory domain, and therefore cannot use Kerberos V5 authentication with domain credentials. However, the device can still participate in the isolated domain by using certificate-based authentication. Sometimes a device cannot join an Active Directory domain, and therefore cannot use Kerberos V5 authentication with domain credentials. However, the device can still participate in the isolated domain by using certificate-based authentication.

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windows/security/threat-protection/windows-firewall/planning-domain-isolation-zones.md
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--- ---
title: Planning Domain Isolation Zones (Windows 10) title: Planning Domain Isolation Zones (Windows)
description: Learn how to use information you have gathered to make decisions about isolation zones for your environment in Windows Defender Firewall with Advanced Security. description: Learn how to use information you have gathered to make decisions about isolation zones for your environment in Windows Defender Firewall with Advanced Security.
ms.assetid: 70bc7c52-91f0-4a0d-a64a-69d3ea1c6d05 ms.assetid: 70bc7c52-91f0-4a0d-a64a-69d3ea1c6d05
ms.reviewer: ms.reviewer:
@ -14,7 +14,7 @@ manager: dansimp
audience: ITPro audience: ITPro
ms.collection: M365-security-compliance ms.collection: M365-security-compliance
ms.topic: conceptual ms.topic: conceptual
ms.date: 04/19/2017 ms.date: 09/08/2021
ms.technology: mde ms.technology: mde
--- ---
@ -22,7 +22,8 @@ ms.technology: mde
**Applies to** **Applies to**
- Windows 10 - Windows 10
- Windows Server 2016 - Windows 11
- Windows Server 2016 and above
After you have the required information about your network, Active Directory, and client and server devices, you can use that information to make decisions about the isolation zones you want to use in your environment. After you have the required information about your network, Active Directory, and client and server devices, you can use that information to make decisions about the isolation zones you want to use in your environment.

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windows/security/threat-protection/windows-firewall/planning-gpo-deployment.md
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--- ---
title: Planning GPO Deployment (Windows 10) title: Planning GPO Deployment (Windows)
description: Learn how to use security group filtering and WMI filtering to provide the most flexible options for applying GPOs to devices in Active Directory. description: Learn how to use security group filtering and WMI filtering to provide the most flexible options for applying GPOs to devices in Active Directory.
ms.assetid: b38adfb1-1371-4227-a887-e6d118809de1 ms.assetid: b38adfb1-1371-4227-a887-e6d118809de1
ms.reviewer: ms.reviewer:
@ -14,7 +14,7 @@ manager: dansimp
audience: ITPro audience: ITPro
ms.collection: M365-security-compliance ms.collection: M365-security-compliance
ms.topic: conceptual ms.topic: conceptual
ms.date: 08/17/2017 ms.date: 09/08/2021
ms.technology: mde ms.technology: mde
--- ---
@ -22,7 +22,8 @@ ms.technology: mde
**Applies to** **Applies to**
- Windows 10 - Windows 10
- Windows Server 2016 - Windows 11
- Windows Server 2016 and above
You can control which GPOs are applied to devices in Active Directory in a combination of three ways: You can control which GPOs are applied to devices in Active Directory in a combination of three ways:

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windows/security/threat-protection/windows-firewall/planning-group-policy-deployment-for-your-isolation-zones.md
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--- ---
title: Planning Group Policy Deployment for Your Isolation Zones (Windows 10) title: Planning Group Policy Deployment for Your Isolation Zones (Windows)
description: Learn how to plan a group policy deployment for your isolation zones after you determine the best logical design for your isolation environment. description: Learn how to plan a group policy deployment for your isolation zones after you determine the best logical design for your isolation environment.
ms.assetid: ea7c0acd-af28-4347-9d4a-4801b470557c ms.assetid: ea7c0acd-af28-4347-9d4a-4801b470557c
ms.reviewer: ms.reviewer:
@ -14,7 +14,7 @@ manager: dansimp
audience: ITPro audience: ITPro
ms.collection: M365-security-compliance ms.collection: M365-security-compliance
ms.topic: conceptual ms.topic: conceptual
ms.date: 04/19/2017 ms.date: 09/08/2021
ms.technology: mde ms.technology: mde
--- ---
@ -22,7 +22,8 @@ ms.technology: mde
**Applies to** **Applies to**
- Windows 10 - Windows 10
- Windows Server 2016 - Windows 11
- Windows Server 2016 and above
After you have decided on the best logical design of your isolation environment for the network and device security requirements, you can start the implementation plan. After you have decided on the best logical design of your isolation environment for the network and device security requirements, you can start the implementation plan.

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windows/security/threat-protection/windows-firewall/planning-isolation-groups-for-the-zones.md
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--- ---
title: Planning Isolation Groups for the Zones (Windows 10) title: Planning Isolation Groups for the Zones (Windows)
description: Learn about planning isolation groups for the zones in Microsoft Firewall, including information on universal groups and GPOs. description: Learn about planning isolation groups for the zones in Microsoft Firewall, including information on universal groups and GPOs.
ms.assetid: be4b662d-c1ce-441e-b462-b140469a5695 ms.assetid: be4b662d-c1ce-441e-b462-b140469a5695
ms.reviewer: ms.reviewer:
@ -14,7 +14,7 @@ manager: dansimp
audience: ITPro audience: ITPro
ms.collection: M365-security-compliance ms.collection: M365-security-compliance
ms.topic: conceptual ms.topic: conceptual
ms.date: 04/19/2017 ms.date: 09/08/2021
ms.technology: mde ms.technology: mde
--- ---
@ -22,7 +22,8 @@ ms.technology: mde
**Applies to** **Applies to**
- Windows 10 - Windows 10
- Windows Server 2016 - Windows 11
- Windows Server 2016 and above
Isolation groups in Active Directory are how you implement the various domain and server isolation zones. A device is assigned to a zone by adding its device account to the group which represents that zone. Isolation groups in Active Directory are how you implement the various domain and server isolation zones. A device is assigned to a zone by adding its device account to the group which represents that zone.

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windows/security/threat-protection/windows-firewall/planning-network-access-groups.md
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--- ---
title: Planning Network Access Groups (Windows 10) title: Planning Network Access Groups (Windows)
description: Learn how to implement a network access group for users and devices that can access an isolated server in Windows Defender Firewall with Advanced Security. description: Learn how to implement a network access group for users and devices that can access an isolated server in Windows Defender Firewall with Advanced Security.
ms.assetid: 56ea1717-1731-4a5d-b277-5a73eb86feb0 ms.assetid: 56ea1717-1731-4a5d-b277-5a73eb86feb0
ms.reviewer: ms.reviewer:
@ -14,7 +14,7 @@ manager: dansimp
audience: ITPro audience: ITPro
ms.collection: M365-security-compliance ms.collection: M365-security-compliance
ms.topic: conceptual ms.topic: conceptual
ms.date: 04/19/2017 ms.date: 09/08/2021
ms.technology: mde ms.technology: mde
--- ---
@ -22,7 +22,8 @@ ms.technology: mde
**Applies to** **Applies to**
- Windows 10 - Windows 10
- Windows Server 2016 - Windows 11
- Windows Server 2016 and above
A network access group (NAG) is used to identify users and devices that have permission to access an isolated server. The server is configured with firewall rules that allow only network connections that are authenticated as originating from a device, and optionally a user, whose accounts are members of its NAG. A member of the isolated domain can belong to as many NAGs as required. A network access group (NAG) is used to identify users and devices that have permission to access an isolated server. The server is configured with firewall rules that allow only network connections that are authenticated as originating from a device, and optionally a user, whose accounts are members of its NAG. A member of the isolated domain can belong to as many NAGs as required.

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windows/security/threat-protection/windows-firewall/planning-server-isolation-zones.md
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@ -1,5 +1,5 @@
--- ---
title: Planning Server Isolation Zones (Windows 10) title: Planning Server Isolation Zones (Windows)
description: Learn how to restrict access to a server to approved users by using a server isolation zone in Windows Defender Firewall with Advanced Security. description: Learn how to restrict access to a server to approved users by using a server isolation zone in Windows Defender Firewall with Advanced Security.
ms.assetid: 5f63c929-589e-4b64-82ea-515d62765b7b ms.assetid: 5f63c929-589e-4b64-82ea-515d62765b7b
ms.reviewer: ms.reviewer:
@ -14,7 +14,7 @@ manager: dansimp
audience: ITPro audience: ITPro
ms.collection: M365-security-compliance ms.collection: M365-security-compliance
ms.topic: conceptual ms.topic: conceptual
ms.date: 04/19/2017 ms.date: 09/08/2021
ms.technology: mde ms.technology: mde
--- ---
@ -22,7 +22,8 @@ ms.technology: mde
**Applies to** **Applies to**
- Windows 10 - Windows 10
- Windows Server 2016 - Windows 11
- Windows Server 2016 and above
Sometimes a server hosts data that is sensitive. If your servers host data that must not be compromised, you have several options to help protect that data. One was already addressed: adding the server to the encryption zone. Membership in that zone prevents the server from being accessed by any devices that are outside the isolated domain, and encrypts all network connections to server. Sometimes a server hosts data that is sensitive. If your servers host data that must not be compromised, you have several options to help protect that data. One was already addressed: adding the server to the encryption zone. Membership in that zone prevents the server from being accessed by any devices that are outside the isolated domain, and encrypts all network connections to server.

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windows/security/threat-protection/windows-firewall/planning-settings-for-a-basic-firewall-policy.md
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@ -1,5 +1,5 @@
--- ---
title: Planning Settings for a Basic Firewall Policy (Windows 10) title: Planning Settings for a Basic Firewall Policy (Windows)
description: Learn how to design a basic policy for Windows Defender Firewall with Advanced Security, the settings and rules that enforce your requirements on devices. description: Learn how to design a basic policy for Windows Defender Firewall with Advanced Security, the settings and rules that enforce your requirements on devices.
ms.assetid: 4c90df5a-3cbc-4b85-924b-537c2422d735 ms.assetid: 4c90df5a-3cbc-4b85-924b-537c2422d735
ms.reviewer: ms.reviewer:
@ -14,7 +14,7 @@ manager: dansimp
audience: ITPro audience: ITPro
ms.collection: M365-security-compliance ms.collection: M365-security-compliance
ms.topic: conceptual ms.topic: conceptual
ms.date: 08/17/2017 ms.date: 09/08/2021
ms.technology: mde ms.technology: mde
--- ---
@ -22,7 +22,8 @@ ms.technology: mde
**Applies to** **Applies to**
- Windows 10 - Windows 10
- Windows Server 2016 - Windows 11
- Windows Server 2016 and above
After you have identified your requirements, and have the information about the network layout and devices available, you can begin to design the GPO settings and rules that will enable you to enforce your requirements on the devices. After you have identified your requirements, and have the information about the network layout and devices available, you can begin to design the GPO settings and rules that will enable you to enforce your requirements on the devices.

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windows/security/threat-protection/windows-firewall/planning-the-gpos.md
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@ -1,5 +1,5 @@
--- ---
title: Planning the GPOs (Windows 10) title: Planning the GPOs (Windows)
description: Learn about planning Group Policy Objects for your isolation zones in Windows Defender Firewall with Advanced Security, after you design the zone layout. description: Learn about planning Group Policy Objects for your isolation zones in Windows Defender Firewall with Advanced Security, after you design the zone layout.
ms.assetid: 11949ca3-a11c-4a16-b297-0862432eb5b4 ms.assetid: 11949ca3-a11c-4a16-b297-0862432eb5b4
ms.reviewer: ms.reviewer:
@ -14,7 +14,7 @@ manager: dansimp
audience: ITPro audience: ITPro
ms.collection: M365-security-compliance ms.collection: M365-security-compliance
ms.topic: conceptual ms.topic: conceptual
ms.date: 08/17/2017 ms.date: 09/08/2021
ms.technology: mde ms.technology: mde
--- ---
@ -22,7 +22,8 @@ ms.technology: mde
**Applies to** **Applies to**
- Windows 10 - Windows 10
- Windows Server 2016 - Windows 11
- Windows Server 2016 and above
When you plan the GPOs for your different isolation zones, you must complete the layout of the required zones and their mappings to the groups that link the devices to the zones. When you plan the GPOs for your different isolation zones, you must complete the layout of the required zones and their mappings to the groups that link the devices to the zones.
@ -42,7 +43,7 @@ A few things to consider as you plan the GPOs:
- Windows Defender Firewall* in Windows Vista and Windows Server 2008 only support one network location profile at a time. If you add a second network adapter that is connected to a different network, or not connected at all, you could unintentionally change the profile that is currently active on the device. If your GPO specifies different firewall and connection security rules based on the current network location profile, the behavior of how the device handles network traffic will change accordingly. We recommend for stationary devices, such as desktops and servers, that you assign any rule for the device to all profiles. Apply GPOs that change rules per network location to devices that must move between networks, such as your portable devices. Consider creating a separate domain isolation GPO for your servers that uses the same settings as the GPO for the clients, except that the server GPO specifies the same rules for all network location profiles. - Windows Defender Firewall* in Windows Vista and Windows Server 2008 only support one network location profile at a time. If you add a second network adapter that is connected to a different network, or not connected at all, you could unintentionally change the profile that is currently active on the device. If your GPO specifies different firewall and connection security rules based on the current network location profile, the behavior of how the device handles network traffic will change accordingly. We recommend for stationary devices, such as desktops and servers, that you assign any rule for the device to all profiles. Apply GPOs that change rules per network location to devices that must move between networks, such as your portable devices. Consider creating a separate domain isolation GPO for your servers that uses the same settings as the GPO for the clients, except that the server GPO specifies the same rules for all network location profiles.
*Windows Defender Firewall is now called Windows Defender Firewall with Advanced Security in Windows 10. *Windows Defender Firewall is now called Windows Defender Firewall with Advanced Security in Windows 10 and Windows 11.
> [!NOTE] > [!NOTE]
> Devices running Windows 7, Windows Server 2008 R2, and later support different network location types, and therefore profiles, for each network adapter at the same time. Each network adapter is assigned the network location appropriate for the network to which it is connected. Windows Defender Firewall then enforces only those rules that apply to that network type’s profile. So certain types of traffic are blocked when coming from a network adapter connected to a public network, but those same types might be permitted when coming from a private or domain network. > Devices running Windows 7, Windows Server 2008 R2, and later support different network location types, and therefore profiles, for each network adapter at the same time. Each network adapter is assigned the network location appropriate for the network to which it is connected. Windows Defender Firewall then enforces only those rules that apply to that network type’s profile. So certain types of traffic are blocked when coming from a network adapter connected to a public network, but those same types might be permitted when coming from a private or domain network.

7
windows/security/threat-protection/windows-firewall/planning-to-deploy-windows-firewall-with-advanced-security.md
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--- ---
title: Plan to Deploy Windows Defender Firewall with Advanced Security (Windows 10) title: Plan to Deploy Windows Defender Firewall with Advanced Security (Windows)
description: Use the design information in this article to plan for the deployment of Windows Defender Firewall with Advanced Security in your organization. description: Use the design information in this article to plan for the deployment of Windows Defender Firewall with Advanced Security in your organization.
ms.assetid: 891a30c9-dbf5-4a88-a279-00662b9da48e ms.assetid: 891a30c9-dbf5-4a88-a279-00662b9da48e
ms.reviewer: ms.reviewer:
@ -14,7 +14,7 @@ manager: dansimp
audience: ITPro audience: ITPro
ms.collection: M365-security-compliance ms.collection: M365-security-compliance
ms.topic: conceptual ms.topic: conceptual
ms.date: 08/17/2017 ms.date: 09/08/2021
ms.technology: mde ms.technology: mde
--- ---
@ -22,7 +22,8 @@ ms.technology: mde
**Applies to** **Applies to**
- Windows 10 - Windows 10
- Windows Server 2016 - Windows 11
- Windows Server 2016 and above
After you collect information about your environment and decide on a design by following the guidance in the [Windows Defender Firewall with Advanced Security Design Guide](windows-firewall-with-advanced-security-design-guide.md), you can begin to plan the deployment of your design. With the completed design and the information in this topic, you can determine which tasks to perform to deploy Windows Defender Firewall with Advanced Security in your organization. After you collect information about your environment and decide on a design by following the guidance in the [Windows Defender Firewall with Advanced Security Design Guide](windows-firewall-with-advanced-security-design-guide.md), you can begin to plan the deployment of your design. With the completed design and the information in this topic, you can determine which tasks to perform to deploy Windows Defender Firewall with Advanced Security in your organization.

7
windows/security/threat-protection/windows-firewall/planning-your-windows-firewall-with-advanced-security-design.md
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@ -1,5 +1,5 @@
--- ---
title: Planning Your Windows Defender Firewall with Advanced Security Design (Windows 10) title: Planning Your Windows Defender Firewall with Advanced Security Design (Windows)
description: After you gather the relevant information, select the design or combination of designs for Windows Defender Firewall with Advanced Security in your environment. description: After you gather the relevant information, select the design or combination of designs for Windows Defender Firewall with Advanced Security in your environment.
ms.assetid: f3ac3d49-ef4c-4f3c-a16c-e107284e169f ms.assetid: f3ac3d49-ef4c-4f3c-a16c-e107284e169f
ms.reviewer: ms.reviewer:
@ -14,7 +14,7 @@ manager: dansimp
audience: ITPro audience: ITPro
ms.collection: M365-security-compliance ms.collection: M365-security-compliance
ms.topic: conceptual ms.topic: conceptual
ms.date: 08/17/2017 ms.date: 09/08/2021
ms.technology: mde ms.technology: mde
--- ---
@ -22,7 +22,8 @@ ms.technology: mde
**Applies to** **Applies to**
- Windows 10 - Windows 10
- Windows Server 2016 - Windows 11
- Windows Server 2016 and above
After you have gathered the relevant information in the previous sections, and understand the basics of the designs as described earlier in this guide, you can select the design (or combination of designs) that meet your needs. After you have gathered the relevant information in the previous sections, and understand the basics of the designs as described earlier in this guide, you can select the design (or combination of designs) that meet your needs.

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windows/security/threat-protection/windows-firewall/procedures-used-in-this-guide.md
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@ -1,5 +1,5 @@
--- ---
title: Procedures Used in This Guide (Windows 10) title: Procedures Used in This Guide (Windows)
description: Refer to this summary of procedures for Windows Defender Firewall with Advanced Security from checklists in this guide. description: Refer to this summary of procedures for Windows Defender Firewall with Advanced Security from checklists in this guide.
ms.assetid: 45c0f549-e4d8-45a3-a600-63e2a449e178 ms.assetid: 45c0f549-e4d8-45a3-a600-63e2a449e178
ms.reviewer: ms.reviewer:
@ -14,7 +14,7 @@ manager: dansimp
audience: ITPro audience: ITPro
ms.collection: M365-security-compliance ms.collection: M365-security-compliance
ms.topic: conceptual ms.topic: conceptual
ms.date: 08/17/2017 ms.date: 09/08/2021
ms.technology: mde ms.technology: mde
--- ---
@ -22,7 +22,8 @@ ms.technology: mde
**Applies to** **Applies to**
- Windows 10 - Windows 10
- Windows Server 2016 - Windows 11
- Windows Server 2016 and above
The procedures in this section appear in the checklists found earlier in this document. They should be used only in the context of the checklists in which they appear. They are presented here in alphabetical order. The procedures in this section appear in the checklists found earlier in this document. They should be used only in the context of the checklists in which they appear. They are presented here in alphabetical order.

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windows/security/threat-protection/windows-firewall/protect-devices-from-unwanted-network-traffic.md
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@ -1,5 +1,5 @@
--- ---
title: Protect devices from unwanted network traffic (Windows 10) title: Protect devices from unwanted network traffic (Windows)
description: Learn how running a host-based firewall on every device in your organization can help protect against attacks as part of a defense-in-depth security strategy. description: Learn how running a host-based firewall on every device in your organization can help protect against attacks as part of a defense-in-depth security strategy.
ms.assetid: 307d2b38-e8c4-4358-ae16-f2143af965dc ms.assetid: 307d2b38-e8c4-4358-ae16-f2143af965dc
ms.reviewer: ms.reviewer:
@ -14,7 +14,7 @@ manager: dansimp
audience: ITPro audience: ITPro
ms.collection: M365-security-compliance ms.collection: M365-security-compliance
ms.topic: conceptual ms.topic: conceptual
ms.date: 04/19/2017 ms.date: 09/08/2021
ms.technology: mde ms.technology: mde
--- ---
@ -22,7 +22,8 @@ ms.technology: mde
**Applies to** **Applies to**
- Windows 10 - Windows 10
- Windows Server 2016 - Windows 11
- Windows Server 2016 and above
Although network perimeter firewalls provide important protection to network resources from external threats, there are network threats that a perimeter firewall cannot protect against. Some attacks might successfully penetrate the perimeter firewall, and at that point what can stop it? Other attacks might originate from inside the network, such as malware that is brought in on portable media and run on a trusted device. Portable device are often taken outside the network and connected directly to the Internet, without adequate protection between the device and security threats. Although network perimeter firewalls provide important protection to network resources from external threats, there are network threats that a perimeter firewall cannot protect against. Some attacks might successfully penetrate the perimeter firewall, and at that point what can stop it? Other attacks might originate from inside the network, such as malware that is brought in on portable media and run on a trusted device. Portable device are often taken outside the network and connected directly to the Internet, without adequate protection between the device and security threats.

2
windows/security/threat-protection/windows-firewall/quarantine.md
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@ -14,7 +14,7 @@ ms.localizationpriority: normal
audience: ITPro audience: ITPro
ms.collection: M365-security-compliance ms.collection: M365-security-compliance
ms.topic: conceptual ms.topic: conceptual
ms.date: 11/17/2020 ms.date: 09/08/2021
ms.technology: mde ms.technology: mde
--- ---

7
windows/security/threat-protection/windows-firewall/require-encryption-when-accessing-sensitive-network-resources.md
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title: Require Encryption When Accessing Sensitive Network Resources (Windows 10) title: Require Encryption When Accessing Sensitive Network Resources (Windows)
description: Windows Defender Firewall with Advanced Security allows you to require that all network traffic in an isolated domain be encrypted. description: Windows Defender Firewall with Advanced Security allows you to require that all network traffic in an isolated domain be encrypted.
ms.assetid: da980d30-a68b-4e2a-ba63-94726355ce6f ms.assetid: da980d30-a68b-4e2a-ba63-94726355ce6f
ms.reviewer: ms.reviewer:
@ -14,7 +14,7 @@ manager: dansimp
audience: ITPro audience: ITPro
ms.collection: M365-security-compliance ms.collection: M365-security-compliance
ms.topic: conceptual ms.topic: conceptual
ms.date: 08/17/2017 ms.date: 09/08/2021
ms.technology: mde ms.technology: mde
--- ---
@ -22,7 +22,8 @@ ms.technology: mde
**Applies to** **Applies to**
- Windows 10 - Windows 10
- Windows Server 2016 - Windows 11
- Windows Server 2016 and above
The use of authentication in the previously described goal ([Restrict Access to Only Trusted Devices](restrict-access-to-only-trusted-devices.md)) enables a device in the isolated domain to block traffic from untrusted devices. However, it does not prevent an untrusted device from eavesdropping on the network traffic shared between two trusted devices, because by default network packets are not encrypted. The use of authentication in the previously described goal ([Restrict Access to Only Trusted Devices](restrict-access-to-only-trusted-devices.md)) enables a device in the isolated domain to block traffic from untrusted devices. However, it does not prevent an untrusted device from eavesdropping on the network traffic shared between two trusted devices, because by default network packets are not encrypted.

7
windows/security/threat-protection/windows-firewall/restrict-access-to-only-specified-users-or-devices.md
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--- ---
title: Restrict Access to Only Specified Users or Devices (Windows 10) title: Restrict Access to Only Specified Users or Devices (Windows)
description: Restrict access to devices and users that are members of domain groups authorized to access that device using Windows Defender Firewall with Advanced Security. description: Restrict access to devices and users that are members of domain groups authorized to access that device using Windows Defender Firewall with Advanced Security.
ms.assetid: a6106a07-f9e5-430f-8dbd-06d3bf7406df ms.assetid: a6106a07-f9e5-430f-8dbd-06d3bf7406df
ms.reviewer: ms.reviewer:
@ -14,7 +14,7 @@ manager: dansimp
audience: ITPro audience: ITPro
ms.collection: M365-security-compliance ms.collection: M365-security-compliance
ms.topic: conceptual ms.topic: conceptual
ms.date: 08/17/2017 ms.date: 09/08/2021
ms.technology: mde ms.technology: mde
--- ---
@ -22,7 +22,8 @@ ms.technology: mde
**Applies to** **Applies to**
- Windows 10 - Windows 10
- Windows Server 2016 - Windows 11
- Windows Server 2016 and above
Domain isolation (as described in the previous goal [Restrict Access to Only Trusted Devices](restrict-access-to-only-trusted-devices.md)) prevents devices that are members of the isolated domain from accepting network traffic from untrusted devices. However, some devices on the network might host sensitive data that must be additionally restricted to only those users and computers that have a business requirement to access the data. Domain isolation (as described in the previous goal [Restrict Access to Only Trusted Devices](restrict-access-to-only-trusted-devices.md)) prevents devices that are members of the isolated domain from accepting network traffic from untrusted devices. However, some devices on the network might host sensitive data that must be additionally restricted to only those users and computers that have a business requirement to access the data.

7
windows/security/threat-protection/windows-firewall/restrict-access-to-only-trusted-devices.md
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--- ---
title: Restrict access to only trusted devices (Windows 10) title: Restrict access to only trusted devices (Windows)
description: Windows Defender Firewall with Advanced Security enables you to isolate devices you trust and restrict access of untrusted devices to trusted devices. description: Windows Defender Firewall with Advanced Security enables you to isolate devices you trust and restrict access of untrusted devices to trusted devices.
ms.assetid: bc1f49a4-7d54-4857-8af9-b7c79f47273b ms.assetid: bc1f49a4-7d54-4857-8af9-b7c79f47273b
ms.reviewer: ms.reviewer:
@ -14,7 +14,7 @@ manager: dansimp
audience: ITPro audience: ITPro
ms.collection: M365-security-compliance ms.collection: M365-security-compliance
ms.topic: conceptual ms.topic: conceptual
ms.date: 08/17/2017 ms.date: 09/08/2021
ms.technology: mde ms.technology: mde
--- ---
@ -22,7 +22,8 @@ ms.technology: mde
**Applies to** **Applies to**
- Windows 10 - Windows 10
- Windows Server 2016 - Windows 11
- Windows Server 2016 and above
Your organizational network likely has a connection to the Internet. You also likely have partners, vendors, or contractors who attach devices that are not owned by your organization to your network. Because you do not manage those devices, you cannot trust them to be free of malicious software, maintained with the latest security updates, or in any way in compliance with your organization's security policies. These untrustworthy devices both on and outside of your physical network must not be permitted to access your organization's devices except where it is truly required. Your organizational network likely has a connection to the Internet. You also likely have partners, vendors, or contractors who attach devices that are not owned by your organization to your network. Because you do not manage those devices, you cannot trust them to be free of malicious software, maintained with the latest security updates, or in any way in compliance with your organization's security policies. These untrustworthy devices both on and outside of your physical network must not be permitted to access your organization's devices except where it is truly required.