Cisco Cisco Firepower Management Center 4000

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FireSIGHT System User Guide
 
Chapter 35      Introduction to Network Discovery 
  Creating a Network Discovery Policy
For information on network monitoring, see 
. For 
information on adding network objects to the Available Networks list, see 
. Note that If you modify a network object used in the network discovery policy, you must 
reapply the policy for those changes to take effect for discovery.
Step 8
Optionally, to restrict the rule actions to traffic in specific zones, click 
Zones
, select a zone or zones from 
the 
Available Zones
 list, and click 
Add
.
For information on selecting zones for monitoring, see 
Step 9
To exclude ports from monitoring, click 
Port Exclusions
.
The Port Exclusions page appears.
Step 10
To exclude specific source ports from monitoring, you have two options:
  •
Select 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, select the appropriate protocol from the 
Protocol
 drop-down list, type a port number from 
1 to 65535 into the 
Port
 field, and click 
Add
For information on excluding ports from monitoring, see 
. For information on adding port objects to the Available Ports list, see 
. Note that if you modify a port object used in the network discovery policy, you 
must reapply the policy for those changes to take effect for discovery.
Step 11
To exclude specific destination ports from monitoring, you have two options:
  •
Select 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, select the appropriate protocol from the 
Protocol
 drop-down list, type a port 
number from 1 to 65535 into the 
Port
 field, and click 
Add
Step 12
If you are finished editing the rule, click 
Save
 to return to the discovery policy rule list.
Note
You must apply the network discovery policy for your changes to take effect. For more 
information, see 
.
Creating Network Objects
License: 
FireSIGHT
The list of available networks that appears in a discovery rule contains reusable network object and 
groups that can be used anywhere in the FireSIGHT System. You can add new network objects to the 
list. Note that when you modify an object referenced in a rule, you must reapply the network discovery 
policy for those changes to take effect.
To create a new network object:
Access: 
Admin/Discovery Admin
Step 1
Select 
Policies > Network Discovery
.
The Network Discovery Policy page appears.