Troubleshooting Ruby App and API Protection

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Common Issues

No security signals appearing

  1. Verify Agent version:
    • Ensure you’re running Datadog Agent v7.41.1 or higher.
    • Check Agent status: datadog-agent status.
  2. Check Ruby tracer version:
    • Confirm you’re using Ruby tracer v1.9.0 or higher.
  3. Verify configuration or environment variables.

When using auto-instrumentation

  • Ensure that DD_APPSEC_ENABLED is set to true
  • Set DD_AGENT_HOST and DD_AGENT_PORT if agent is running on a different host or port
  • Check that DD_SERVICE and DD_ENV are properly configured
  • Verify DD_APM_TRACING_ENABLED=true if using APM features

When using configuration file

  • Ensure that c.appsec.enabled is set to true in your configuration
  • Ensure that c.tracing.instrument :rails and c.appsec.instrument :rails is added to your configuration
  • Check that c.service is set
  • Verify that c.tracing.enabled is set to true if using APM features

Performance impact

  1. High latency:

    • Check Agent resource usage.
    • Verify network connectivity between Agent and Datadog.
    • Consider adjusting sampling rates.

  2. High memory usage:

    • Adjust Agent resource limits if needed.

If you suspect performance issues with the Ruby tracer, please create an issue in the Datadog Ruby tracer GitHub repository with details about your environment and the issue you’re facing.

Still having issues?

If you’re still experiencing problems:

  1. Check the Application Security Monitoring troubleshooting guide.
  2. Review the Ruby tracer documentation.
  3. Contact Datadog support.