TCP port scan monitor

The TCP port scan monitor verifies that the specified ports are either open or closed. By default, triggers an alarm is if specified ports are open. If the Inverted function is checked, triggers an alarm if the specified ports are closed.

• System type: All
• Category: Others

Note: Only monitor specific settings are documented here. See Standard monitor settings.

Monitor specific properties

• Port number range - Triggers an alarm is if specified ports are open. Port ranges use the following format:
  • 21-23 - The monitor scans ports between and including 21 to 23.
  • 80,21-23 - The monitor scans port 80 and ports between and including 21 to 23. The monitor can check up to 100 ports.
• Invert function - If checked, triggers an alarm if the specified ports are closed.