Merge pull request #99544 from wedoazure/patch-1

Added example to update existing AFW with POSH

Author: Court72

articles/firewall/ftp-support.md

@@ -41,6 +41,18 @@ The following table shows the configuration required to support various FTP scen
 
 To deploy using Azure PowerShell, use the `AllowActiveFTP` parameter. For more information, see [Create a Firewall with Allow Active FTP](/powershell/module/az.network/new-azfirewall#16---create-a-firewall-with-allow-active-ftp-).
 
+## Update an existing Azure Firewall by using Azure PowerShell
+
+To update an existing Azure Firewall by using Azure PowerShell, switch the `AllowActiveFTP` parameter to 'True'.
+
+```azurepowershell
+$rgName = "resourceGroupName"
+$afwName = "afwName"
+$afw = Get-AzFirewall -Name $afwName -ResourceGroupName $rgName
+$afw.AllowActiveFTP = $true
+$afw | Set-AzFirewall
+```
+
 ## Deploy using Azure CLI
 
 To deploy using the Azure CLI, use the `--allow-active-ftp` parameter. For more information, see [az network firewall create](/cli/azure/network/firewall#az-network-firewall-create-optional-parameters). 
@@ -58,4 +70,4 @@ For more information, see [Microsoft.Network azureFirewalls](/azure/templates/mi
 
 ## Next steps
 
-To learn how to deploy an Azure Firewall, see [Deploy and configure Azure Firewall using Azure PowerShell](deploy-ps.md).
+To learn how to deploy an Azure Firewall, see [Deploy and configure Azure Firewall using Azure PowerShell](deploy-ps.md).