Cisco Cisco Firepower Management Center 2000

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23-5
FireSIGHT System User Guide
 
Chapter 23      Using Layers in an Intrusion Policy
  Understanding Intrusion Policy Layers
Step 3
Expand 
Policy Layers
 in the navigation panel and expand the policy layer you want to view or edit.
Step 4
Click 
Rules
 under the policy layer you want to view or edit.
The Rules page for the layer appears.
You can modify any of the settings in the 
 table.
To delete an individual setting from an editable layer, double-click the rule message on the Rules page 
for the layer to display rule details. Click 
Delete
 next to the setting you want to delete, then click 
OK
 twice.
Removing Multi-Layer Rule Settings 
License: 
Protection
You can select one or more rules on the intrusion policy view of the Rules page and then simultaneously 
remove a specific type of event filter, dynamic state, or alerting from multiple layers in your policy.
The system removes the setting type downward through each layer where it is set until it removes all the 
settings or encounters a layer where a rule state is set for the rule. If it encounters a layer where a rule 
state is set, it removes the setting from that layer and ignores all layers below it.
When the system encounters the setting type in a shared layer or in the base policy, if the highest layer 
in the policy is editable, the system copies the remaining settings and rule state for the rule to that 
editable layer. Otherwise, if the highest layer in the policy is a shared layer, the system creates a new 
editable layer above the shared layer and copies the remaining settings and rule state for the rule to that 
editable layer.
Note
Removing rule settings from a shared layer or the base policy causes any changes to this rule from lower 
layers or the base policy to be ignored. To stop ignoring changes from lower layers or the base policy, 
set the rule state to 
Inherit
 in the topmost layer. See 
 for more information.
To remove settings in multiple layers using the Rules page:
Access: 
Admin/Intrusion Admin
Step 1
Select 
Policies > Intrusion > Intrusion Policy
.
The Intrusion Policy page appears.
Step 2
Click the edit icon (
) next to the intrusion policy where you want to remove multiple settings.
If you have unsaved changes in another policy, click 
OK
 to discard those changes and continue. See 
 for information on saving unsaved changes in another 
policy.
The Policy Information page appears.
Step 3
To access the intrusion policy Rules page, click 
Rules
 in the top of the navigation panel above the 
dividing line.
Tip
You can also select 
Policy
 from the layer drop-down list on the Rules page for any layer, or select 
Manage 
Rules
 on the Policy Information page.
The intrusion policy Rules page appears. By default, the page lists the rules alphabetically by message.