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Tutorial: Configure Azure DDoS Protection diagnostic logging through portal

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In this tutorial, you learn how to:

  • Configure diagnostic logs.
  • Query logs in log analytics workspace.

Configure diagnostic logging for Azure DDoS Protection to gain visibility into DDoS attacks.

Prerequisites

  • If you don't have an Azure subscription, create a free account before you begin.
  • Before you can complete the steps in this guide, you must first create a Azure DDoS protection plan. DDoS Network Protection must be enabled on a virtual network or DDoS IP Protection must be enabled on a public IP address.
  • In order to use diagnostic logging, you must first create a Log Analytics workspace with diagnostic settings enabled.
  • DDoS monitors public IP addresses assigned to resources within a virtual network. If you don't have any resources with public IP addresses in the virtual network, you must first create a resource with a public IP address.

Configure diagnostic logs

  1. Sign in to the Azure portal.

  2. In the search box at the top of the portal, enter Monitor. Select Monitor in the search results.

  3. Select Diagnostic Settings under Settings in the left pane, then select the following information in the Diagnostic settings page. Next, select Add diagnostic setting.

    Screenshot of Monitor diagnostic settings.

    Setting Value
    Subscription Select the Subscription that contains the public IP address you want to log.
    Resource group Select the Resource group that contains the public IP address you want to log.
    Resource type Select Public IP Addresses.
    Resource Select the specific Public IP address you want to log metrics for.

  4. On the Diagnostic setting page, under Destination details, select Send to Log Analytics workspace, then enter the following information, then select Save.

    Screenshot of DDoS Protection diagnostic settings.

    Setting Value
    Diagnostic setting name Enter myDiagnosticSettings.
    Logs Select allLogs.
    Metrics Select AllMetrics.
    Destination details Select Send to Log Analytics workspace.
    Subscription Select your Azure subscription.
    Log Analytics Workspace Select myLogAnalyticsWorkspace.

Validate

  1. In the search box at the top of the portal, enter Monitor. Select Monitor in the search results.

  2. Select Diagnostic Settings under Settings in the left pane, then select the following information in the Diagnostic settings page: Screenshot of Monitor public ip diagnostic settings enabled.

    Setting Value
    Subscription Select the Subscription that contains the public IP address.
    Resource group Select the Resource group that contains the public IP address.
    Resource type Select Public IP Addresses.

  3. Confirm your Diagnostic status is Enabled.

Next steps

In this tutorial you learned how to configure diagnostic logging for DDoS Protection. To learn how to configure diagnostic logging alerts, continue to the next article.

Configure diagnostic logging alerts Test through simulations View logs in Log Analytics workspace