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‎articles/frontdoor/TOC.yml

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href: standard-premium/how-to-enable-private-link-web-app.md
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- name: Azure CLI
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href: standard-premium/how-to-enable-private-link-web-app-cli.md
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- name: Connect to an application gateway (preview)
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href: standard-premium/how-to-enable-private-link-application-gateway.md
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- name: Monitor and reports
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items:
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- name: Configure diagnostic logs

‎articles/frontdoor/how-to-enable-private-link-application-gateway.md

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---
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title: 'Connect Azure Front Door Premium to an application gateway origin with Private Link (preview)'
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titleSuffix: Azure Private Link
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description: Learn how to connect your Azure Front Door Premium to an application gateway privately.
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services: frontdoor
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author: duongau
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ms.service: azure-frontdoor
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ms.topic: how-to
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ms.date: 09/18/2024
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ms.author: duau
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zone_pivot_groups: front-door-dev-exp-ps-cli
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---
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# Connect Azure Front Door Premium to an application gateway with Private Link
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This article will guide you through how to configure Azure Front Door Premium tier to connect to your application gateway privately using the Azure Private Link service.
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::: zone pivot="front-door-cli"
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## Prerequisites - CLI
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[!INCLUDE [azure-cli-prepare-your-environment](~/reusable-content/azure-cli/azure-cli-prepare-your-environment.md)]
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- An Azure account with an active subscription. [Create an account for free](https://azure.microsoft.com/free/?WT.mc_id=A261C142F).
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- Have a functioning Azure Front Door Premium profile and an endpoint. For more information on how to create an Azure Front Door profile, see [Create a Front Door - CLI](create-front-door-cli.md).
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- Have a functioning Azure Application Gateway. For more information on how to create an Application Gateway, see [Direct web traffic with Azure Application Gateway - Azure CLI](/articles/application-gateway/quick-create-cli.md).
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## Enable Private Link on Application Gateway
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Follow the steps in [Configure Azure Application Gateway Private Link](/articles/application-gateway/private-link-configure.md). Skip the last step of creating a private endpoint.
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## Create origin group and origin on Azure Front Door
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1. Run [az afd origin-group create](/cli/azure/afd/origin-group#az-afd-origin-group-create) to create an origin group.
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```azurecli-interactive
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az afd origin-group create \
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--resource-group myRGFD \
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--origin-group-name og \
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--profile-name contosoafd \
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--probe-request-type GET \
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--probe-protocol Http \
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--probe-interval-in-seconds 60 \
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--probe-path / \
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--sample-size 4 \
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--successful-samples-required 3 \
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--additional-latency-in-milliseconds 50
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```
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2. Run [az afd origin create](/cli/azure/afd/origin#az-afd-origin-create) to add your application gateway as an origin to your origin group.
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```azurecli-interactive
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az afd origin create \
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--enabled-state Enabled \
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--resource-group myRGFD \
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--origin-group-name og \
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--origin-name appgwog \
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--profile-name Hari \
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--host-name x.x.x.x \
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--origin-host-header x.x.x.x \
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--http-port 80 \
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--https-port 443 \
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--priority 1 \
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--weight 500 \
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--enable-private-link true \
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--private-link-location centralus \
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--private-link-request-message 'AFD Private Link request.' \
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--private-link-resource /subscriptions/xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx/resourceGroups/myRGAG/providers/Microsoft.Network/applicationGateways/myAppGateway \
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--private-link-sub-resource-type appGwPublicFrontendIp
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```
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> [!NOTE]
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> `SharedPrivateLinkResourceGroupId` is the same as the Application Gateway frontend IP configuration. This value may be different for different frontend IP configurations.
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## Approve Private Endpoint Connection
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1. Run [az network private-endpoint-connection list](/cli/azure/network/private-endpoint-connection#az-network-private-endpoint-connection-list) to list the private endpoint connections. Note down the 'Resource ID' of the private endpoint connection available for your application gateway, in the first line of your output.
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```azurecli-interactive
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az network private-endpoint-connection list --name myAppGateway --resource-group myRGAG --type Microsoft.Network/applicationgateways
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```
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2. Run [az network private-endpoint-connection approve](/cli/azure/network/private-endpoint-connection#az-network-private-endpoint-connection-approve) to approve the private endpoint connection.
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```azurecli-interactive
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az network private-endpoint-connection approve --id /subscriptions/xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx/resourceGroups/myRGAG/providers/Microsoft.Network/applicationGateways/myAppGateway/privateEndpointConnections/xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx.xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx
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```
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## Complete Azure Front Door setup
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Add a route to map the endpoint that you created earlier to the origin group. This route forwards requests from the endpoint to your origin group. Run [az afd route create](/cli/azure/afd/route#az-afd-route-create) to map your endpoint to the origin group.
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```azurecli-interactive
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az afd route create \
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--resource-group myRGFD \
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--profile-name contosoafd \
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--endpoint-name contosofrontend \
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--forwarding-protocol MatchRequest \
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--route-name route \
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--https-redirect Enabled \
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--origin-group og \
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--supported-protocols Http Https \
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--link-to-default-domain Enabled
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```
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Your Front Door profile has become fully functional with the last step.
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::: zone-end
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::: zone pivot="front-door-ps"
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## Prerequisites - PowerShell
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- An Azure account with an active subscription. [Create an account for free](https://azure.microsoft.com/free/?WT.mc_id=A261C142F).
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- Azure PowerShell installed locally or Azure Cloud Shell
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[!INCLUDE [updated-for-az](~/reusable-content/ce-skilling/azure/includes/updated-for-az.md)]
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[!INCLUDE [cloud-shell-try-it.md](~/reusable-content/ce-skilling/azure/includes/cloud-shell-try-it.md)]
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- Have a functioning Azure Front Door Premium profile and an endpoint. For more information on how to create an Azure Front Door profile, see [Create a Front Door - PowerShell](create-front-door-powershell.md).
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- Have a functioning Azure Application Gateway. For more information on how to create an Application Gateway, see [Direct web traffic with Azure Application Gateway using Azure PowerShell](/articles/application-gateway/quick-create-powershell.md)
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## Enable Private Link on Application Gateway
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1. Follow the steps in [Configure Azure Application Gateway Private Link](/articles/application-gateway/private-link-configure.md). Skip the last step of creating a private endpoint.
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## Create origin group and origin on Azure Front Door
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1. Use [New-AzFrontDoorCdnOriginGroupHealthProbeSettingObject](/powershell/module/az.cdn/new-azfrontdoorcdnorigingrouphealthprobesettingobject) and [New-AzFrontDoorCdnOriginGroupLoadBalancingSettingObject](/powershell/module/az.cdn/new-azfrontdoorcdnorigingrouploadbalancingsettingobject) to create in-memory objects for storing health probe and load balancing settings. Run [New-AzFrontDoorCdnOriginGroup](/powershell/module/az.cdn/new-azfrontdoorcdnorigingroup) to create an origin group that will contain your application gateway.
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```azurepowershell-interactive
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# Create health probe settings
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$HealthProbeSetting = New-AzFrontDoorCdnOriginGroupHealthProbeSettingObject `
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-ProbeIntervalInSecond 60 `
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-ProbePath "/" `
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-ProbeRequestType GET `
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-ProbeProtocol Http
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# Create load balancing settings
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$LoadBalancingSetting = New-AzFrontDoorCdnOriginGroupLoadBalancingSettingObject `
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-AdditionalLatencyInMillisecond 50 `
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-SampleSize 4 `
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-SuccessfulSamplesRequired 3
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# Create origin group
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$originpool = New-AzFrontDoorCdnOriginGroup `
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-OriginGroupName og `
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-ProfileName contosoAFD `
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-ResourceGroupName myRGFD `
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-HealthProbeSetting $HealthProbeSetting `
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-LoadBalancingSetting $LoadBalancingSetting
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```
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2. Run [New-AzFrontDoorCdnOrigin](/powershell/module/az.cdn/new-azfrontdoorcdnorigin) to add your application gateway to your origin group.
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> [!NOTE]
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> 'SharedPrivateLinkResourceGroupId' is the same as the Application Gateway frontend IP configuration. This value may be different for different frontend IP configurations.
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```azurepowershell-interactive
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New-AzFrontDoorCdnOrigin `
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-OriginGroupName og `
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-OriginName appgatewayorigin `
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-ProfileName contosoAFD `
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-ResourceGroupName myRGFD `
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-HostName x.x.x.x `
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-HttpPort 80 `
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-HttpsPort 443 `
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-OriginHostHeader x.x.x.x `
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-Priority 1 `
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-PrivateLinkId /subscriptions/xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx/resourceGroups/myRGAG/providers/Microsoft.Network/applicationGateways/myAppGateway `
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-SharedPrivateLinkResourceGroupId appGwPublicFrontendIp `
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-SharedPrivateLinkResourcePrivateLinkLocation CentralUS `
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-SharedPrivateLinkResourceRequestMessage 'AFD Private Link request' `
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-Weight 1000 `
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```
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## Approve the private endpoint
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1. Run [Get-AzPrivateEndpointConnection](/powershell/module/az.network/get-azprivateendpointconnection) to get the connection name of the private endpoint connection to be approved.
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```azurepowershell-interactive
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Get-AzPrivateEndpointConnection -ResourceGroupName myRGAG -ServiceName myAppGateway -PrivateLinkResourceType Microsoft.Network/applicationgateways
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```
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2. Run [Get-AzPrivateEndpointConnection](/powershell/module/az.network/get-azprivateendpointconnection) to approve the private endpoint connection. The value for the field 'Name' should be the value you received in the previous step.
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```azurepowershell-interactive
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Approve-AzPrivateEndpointConnection -Name xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx.xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx -ResourceGroupName myRGAG -ServiceName myAppGateway -PrivateLinkResourceType Microsoft.Network/applicationgateways
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```
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## Complete Azure Front Door setup
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1. Run [New-AzFrontDoorCdnRoute](/powershell/module/az.cdn/new-azfrontdoorcdnroute) to map your endpoint to the origin group. This route forwards requests from the endpoint to your origin group.
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```azurepowershell-interactive
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# Create a route to map the endpoint to the origin group
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$Route = New-AzFrontDoorCdnRoute `
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-EndpointName contosofrontend `
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-Name defaultroute `
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-ProfileName contosoAFD `
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-ResourceGroupName myRGFD `
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-ForwardingProtocol MatchRequest `
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-HttpsRedirect Enabled `
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-LinkToDefaultDomain Enabled `
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-OriginGroupId og `
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-SupportedProtocol Http,Https
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```
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Your Front Door profile has become fully functional with the last step.
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::: zone-end
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## Commonly seen mistakes
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The following are the commonly seen mistakes while configuring an application gateway origin with private link enabled.
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1. Private link configuration was not set in advance to the Front Door creation steps.
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2. Adding the application gateway origin with privatelink to an existing origin group with public origins. Front door doesn't allow public and private origins in the same origin group.
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3. Wrong Application frontend IP configuration name is passed as the value for GroupId.
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## Next steps
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Learn about [Private Link service with storage account](../storage/common/storage-private-endpoints.md).

‎articles/zone-pivot-groups.yml

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title: Azure portal
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- id: front-door-cli
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title: Azure CLI
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- id: front-door-dev-exp-ps-cli
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title: Front Door Developer experience
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prompt: "Select the developer experience:"
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pivots:
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- id: front-door-ps
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title: Azure PowerShell
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- id: front-door-cli
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title: Azure CLI
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# Owner: wiassaf
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- id: azure-sql-deployment-option-single-elastic
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title: Azure SQL deployment option, single or elastic

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