Cisco Cisco Firepower Management Center 4000

The 

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The time window, sometimes called the time range, imposes a time constraint on the events in any event 
view. Use the Default Time Windows section of the Event View Settings page to control the default 
behavior of the time window.

User role access to this section is as follows:

Administrators and Maintenance Users can access the full section.

Security Analysts and Security Analysts (Read Only) can access all options except 

.

Access Admins, Discovery Admins, External Database Users, Intrusion Admins, Network Admins, 
and Security Approvers can access only the 

option.

Note that, regardless of the default time window setting, you can always manually change the time 
window for individual event views during your event analysis. Also, keep in mind that time window 
settings are valid for only the current session. When you log out and then log back in, time windows are 
reset to the defaults you configured on this page. For more information, see 

.

There are three types of events for which you can set the default time window:

The 

 sets a single default time window for most events that can be constrained by 

time.

The 

 sets the default time window for the audit log.

The 

 sets the default time window for health events.

You can only set time windows for event types your user account can access. All user types can set event 
time windows. Administrators, Maintenance Users, and Security Analysts can set health monitoring time 
windows. Administrators and Maintenance Users can set audit log time windows.

Note that because not all event views can be constrained by time, time window settings have no effect 
on event views that display hosts, host attributes, applications, clients, vulnerabilities, user identity, or 
white list violations.

You can either use 

 time windows, one for each of these types of events, or you can use a 

 

time window that applies to all events. If you use a single time window, the settings for the three types 
of time window disappear and a new 

 setting appears.

There are three types of time window:

static, which displays all the events generated from a specific start time to a specific end time

expanding, which displays all the events generated from a specific start time to the present; as time 
moves forward, the time window expands and new events are added to the event view

sliding, which displays all the events generated from a specific start time (for example, one day ago) 
to the present; as time moves forward, the time window “slides” so that you see only the events for 
the range you configured (in this example, for the last day)

The maximum time range for all time windows is from midnight on January 1, 1970 (UTC) to 3:14:07 
AM on January 19, 2038 (UTC).

The following options appear in the 

 drop-down list: