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 Sensor

1. Navigate to the "Devices" or "Groups" section where you want to add the sensor.
2. Click on the "Add Sensor" button.
3. Search for the "SSL Certificate" sensor type and select it.
4. Choose the target device or server for which you want to monitor SSL/TLS certificate OCSP responses.
5. Configure sensor settings such as scanning interval and notification thresholds.

Configuring SSL/TLS Certificate Sensor

1. Once the sensor is added, click on it to access its settings.
2. Under the "Settings" tab, configure parameters specific to monitoring OCSP response challenges.
3. Enable monitoring for OCSP response status.
4. Specify the SSL/TLS certificate to monitor by providing its hostname or IP address.
5. Set up monitoring frequency and notification triggers based on your requirements.
6. Save the settings to apply the changes.

Reviewing Monitoring Results

1. After configuring the sensor, PRTG will start monitoring SSL/TLS certificate OCSP response challenges.
2. Access the sensor overview to view real-time data and status updates.
3. Monitor challenges triggered by OCSP response status changes or failures.
4. Utilize built-in reporting and graphing features to visualize challenge trends over time.
5. Review the challenge history and actions taken for resolution.

Troubleshooting and Maintenance

1. In case of any issues or discrepancies, review sensor logs and error messages for troubleshooting.
2. Ensure that the SSL/TLS certificate is correctly configured and updated on the target device.
3. Verify that the hostname or IP address specified in the sensor settings is accurate.
4. Check network connectivity between the PRTG server and the OCSP responder.
5. Regularly review and adjust challenge settings based on changing network conditions and requirements.
6. Keep PRTG Network Monitor updated to the latest version to benefit from enhancements and bug fixes.

Monitoring SSL/TLS certificate OCSP response challenges with PRTG Network Monitor is crucial for maintaining the integrity and trustworthiness of certificate validation services within your network infrastructure. By following this manual, you can effectively configure and utilize the SSL/TLS certificate sensor to monitor OCSP response challenges, enabling proactive detection and resolution of any issues. This proactive approach helps ensure the security and reliability of SSL/TLS certificates across your network.