Cisco Cisco Firepower Management Center 4000
42-27
FireSIGHT System User Guide
Chapter 42 Enhancing Network Discovery
Working with Application Detectors
To remove all filters:
Access:
Admin/Discovery Admin
Step 1
Click
Clear all
next to the list of filters applied to the detectors.
Navigating to Other Detector Pages
License:
FireSIGHT
The Detectors page displays 25 detectors at a time. The following table explains how to view additional
pages of detectors using the navigation links at the bottom of the page.
pages of detectors using the navigation links at the bottom of the page.
Access:
Admin/Discovery Admin
Activating and Deactivating Detectors
License:
FireSIGHT
You must activate a detector before you can use it to analyze network traffic. By default, all
Cisco-provided detectors are activated.
Cisco-provided detectors are activated.
You can activate multiple application detectors for each port to supplement the system’s detection
capability.
capability.
When you include an application in an access control rule in a policy and that policy is applied, if there
is no active detector for that application, one or more detectors automatically activate. Similarly, while
an application is in use in an applied policy, you cannot deactivate a detector if deactivating leaves no
active detectors for that application.
is no active detector for that application, one or more detectors automatically activate. Similarly, while
an application is in use in an applied policy, you cannot deactivate a detector if deactivating leaves no
active detectors for that application.
Caution
When you activate or deactivate an existing detector, a short pause in traffic flow and processing may
occur on your managed devices, which may also cause a few packets to pass uninspected.
occur on your managed devices, which may also cause a few packets to pass uninspected.
Tip
For improved performance, deactivate any application protocol, client, or web application detectors you
are not interested in.
are not interested in.
To activate or deactivate a detector:
Access:
Admin/Discovery Admin
Table 42-1
Navigating Detector Pages
To...
You can...
view the next page
click the right arrow icon (
).
view the previous page
click the left arrow icon (
).
view a different page
type the page number and press Enter.
jump to the last page
click the right end arrow icon (
).
jump to the first page
click the left end arrow icon (
).