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Configure Azure Front Door logs

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Azure Front Door captures several types of logs. Logs can help you monitor your application, track requests, and debug your Front Door configuration. For more information about Azure Front Door's logs, see Monitor metrics and logs in Azure Front Door.

Access logs, health probe logs, and Web Application Firewall (WAF) logs aren't enabled by default. In this article, you learn how to enable diagnostic logs for your Azure Front Door profile.

Configure logs

  1. Sign in to the Azure portal.

  2. Search for Azure Front Door and then select the relevant Azure Front Door profile.

  3. Within the profile, navigate to Monitoring, select Diagnostic Setting and then choose Add diagnostic setting.

    Screenshot of diagnostic settings landing page.

  4. Under Diagnostic settings, enter a name for Diagnostic settings name.

  5. Select the log options for FrontDoorAccessLog, FrontDoorHealthProbeLog, and FrontDoorWebApplicationFirewallLog.

  6. Select the Destination details. The destination options are:

    • Send to Log Analytics
      • Azure Log Analytics in Azure Monitor is best used for general real-time monitoring and analysis of Azure Front Door performance.
      • Select the Subscription and Log Analytics workspace.
    • Archive to a storage account
      • Storage accounts are best used for scenarios when logs are stored for a longer duration and are reviewed when needed.
      • Select the Subscription and the Storage Account. and set Retention (days).
    • Stream to an event hub
      • Event hubs are a great option for integrating with other security information and event management (SIEM) tools or external data stores, such as Splunk, DataDog, or Sumo.
      • Select the Subscription, Event hub namespace, Event hub name (optional), and Event hub policy name.

    Tip

    Microsoft recommends using Log Analytics for real-time monitoring and analysis of Azure Front Door performance.

    Screenshot of diagnostic settings page.

  7. Select Save to begin logging.

View your activity logs

To view activity logs:

  1. Select your Azure Front Door profile.

  2. Select Activity log.

  3. Choose a filtering scope and then select Apply.

Next steps