Can I receive a notification for ports that shouldn’t be open?

Set up the notifications to alert you if the open ports found are other than the ones you define as standard

Select the trigger Port Scanner > Open port with the “is” condition and click the “Not” checkbox. You can then provide a list of ports you know should normally be opened and you will be notified if the scan finds any other ports except those.

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Please note that the scan will only check the ports you have set in the Ports to scan setting. Read here the full list of common ports.