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. 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 type and select it.
4. Choose the target device or server for which you want to monitor SSL/TLS certificate OCSP response trends.
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 trends.
3. Enable monitoring for OCSP response trends.
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 trends.
2. Access the sensor overview to view real-time data and status updates.
3. Monitor trends in OCSP response times, errors, and overall performance over time.
4. Utilize built-in reporting and graphing features to visualize OCSP response trends.
5. Compare trends across different certificates or periods to identify patterns or anomalies.

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 certificates are correctly configured and updated on the target devices.
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 responders.
5. Regularly review and adjust monitoring 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 trends with PRTG Network Monitor is essential for ensuring the security and reliability of certificates within your network infrastructure. By following this manual, you can effectively configure and utilize the SSL/TLS certificate sensor to monitor OCSP response trends, enabling proactive detection and resolution of any issues. This proactive approach helps minimize security risks and ensures the continuous validation of SSL/TLS certificates across your network.