Accessing PRTG Interface

1. Open your web browser and navigate to the PRTG Network Monitor web interface.
2. Log in using your credentials to access the dashboard.

Adding SSL/TLS Certificate Revocation List Sensor

1. From the PRTG dashboard, navigate to "Devices" or "Groups" where you want to add the sensor.
2. Click on the "Add Sensor" button.
3. Search for the "SSL Certificate Sensor" and select it.
4. Choose the target device or server where the SSL/TLS certificate is installed.
5. Configure sensor settings, including scanning interval and notification thresholds.

Configuring SSL/TLS Certificate Revocation List Sensor

1. Once the sensor is added, click on it to access its settings.
2. Under the "Settings" tab, configure parameters specific to SSL/TLS certificate revocation list monitoring.
3. Enable the option for CRL monitoring.
4. Specify the CRL distribution points (CDP) URLs associated with the SSL/TLS certificate.
5. Enable monitoring of CRL verification timestamps.
6. Set up monitoring frequency and notification triggers based on your requirements.
7. Save the settings to apply the changes.

Reviewing Monitoring Results

1. After configuring the sensor, PRTG will start monitoring SSL/TLS certificate revocation list verification timestamps.
2. Access the sensor overview to view real-time data and status updates.
3. Monitor trends and historical data to identify any potential issues or anomalies in verification timestamps.
4. Utilize built-in reporting and graphing features to visualize verification timestamp trends over time.
5. Compare verification timestamps across different certificates or periods for analysis.

Troubleshooting and Maintenance

1. In case of any issues or discrepancies, review sensor logs and error messages for troubleshooting.
2. Ensure that the CRL distribution points (CDP) URLs are accessible from the PRTG server.
3. Verify that the SSL/TLS certificate is properly configured and updated on the target device.
4. Regularly review and adjust monitoring settings as per the changing requirements of your network environment.
5. Keep PRTG Network Monitor updated to the latest version to benefit from enhancements and bug fixes.

Monitoring SSL/TLS certificate revocation list verification timestamps with PRTG Network Monitor is crucial for ensuring the security and integrity of your network infrastructure. By following this manual, you can effectively configure and utilize the SSL/TLS certificate revocation list sensor to monitor verification timestamps, enabling proactive detection of any delays or discrepancies in certificate revocation checks. This proactive approach helps minimize security risks and ensures the timely validation of SSL/TLS certificates across your network.