Emit alerts to the internal database and to notification recipients.

You can disable the generation of flow alerts in order to save CPU cycles. In this case the score will be updated but no flow alert will be triggered.

You can disable the generation of host alerts in order to save CPU cycles. In this case the score will be updated but no host alert will be triggered.

The maximum number of alerts per family (hosts, networks, interfaces, etc). Alerts are checked periodically and, in case the actual number of alerts exceeds the maximum number, oldest alerts will be deleted to preserve a number of alerts equal to the 80% of the maximum configured number.

The maximum number of days before an alert is deleted. All the alerts older then that period will be automatically deleted both at startup and periodically by ntopng

Enable to refresh periodically the alerts when a user is looking at the alert page.

Set the refresh rate timer (> 0, to be effective).