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Software Secure Firewall Threat Defense
Platform Secure Firewall Threat Defense Virtual
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Network Discovery Network Discovery Policies Network Discovery Rules Configuring Network Discovery Rules Port Exclusions Excluding Ports in Network Discovery Rules

Last updated: Jul 29, 2025

Excluding Ports in Network Discovery Rules

You cannot exclude ports in rules handling NetFlow data discovery.

Procedure

1

Choose Policies > Network Discovery.

2

Click Add Rule.

3

Click Port Exclusions.

4

Optionally, add port objects to the Available Ports list as described in Creating Port Objects During Discovery Rule Configuration.

5

Exclude specific source ports from monitoring, using either of the following 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.
6

Exclude specific destination ports from monitoring, using either of the following 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.
7

Click Save to save the changes you made.

What to do next

  • Deploy configuration changes.

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