Exclude ports in network discovery rules

Excluding ports in network discovery rules allows you to prevent the system from monitoring traffic on specific source and destination ports, helping to optimize network discovery performance and focus on relevant traffic patterns.

You cannot exclude ports in rules handling NetFlow data discovery.

Procedure

Step 1

Choose Policies > + Show more > Advanced > Network Discovery.

Step 2

Click Add Rule.

Step 3

Click Port Exclusions.

Step 4

Optionally, add port objects to the Available Ports list as described in Create port objects during discovery rule configuration.

Step 5

Exclude specific source ports from monitoring, using either of these methods:

  • Choose a port or ports from the Available Ports list and click Add to Source.
  • To exclude traffic from a specific source port without adding a port object, under the Selected Source Ports list, choose a Protocol, enter a Port number (a value from 1 to 65535), and click Add.

Step 6

Exclude specific destination ports from monitoring, using either of these methods:

  • Choose a port or ports from the Available Ports list and click Add to Destination.
  • To exclude traffic from a specific destination port without adding a port object, under the Selected Destination Ports list, choose a Protocol, enter a Port number, and click Add.

Step 7

Click Save to save the changes you made.

What to do next

  • Deploy configuration changes.