Product Documentation

Managing System Settings

Dec 23, 2014

You can perform various operations such as modifying the time zone, configuring security settings and managing ICA sessions on the NetScaler Insight Center configuration tab.

To perform these operations, on the, on the Configuration tab, in the navigation pane, click System, and in the right pane, from the System Settings group, click the required setting.

Task

Description

Navigation

Modifying the Time Zone

You can modify the time zone used by the NetScaler Insight Center virtual appliance's clock. The default time zone is UTC.

In the System pane, in the System Settings group, click Change Time Zone.

Configuring Security Settings

For security reasons, you can specify that all communication between NetScaler Insight Center and a NetScaler appliance must be over a secure channel. You can also specify HTTPS-only access to NetScaler Insight Center user interface.

Note: You can specify the session timeout value for a particular user or a group. To define the user session timeout value or group session timeout value, on the Configuration tab, navigate to System > User Administration, click Users or Groups, click Add and then specify the values.

In the System pane, in the System Settings group, click Change System Settings .

Managing ICA Sessions

You can use the ICA session timeout feature to specify the time period for which an ICA session can remain in the idle state before being terminated. By default, if there is no flow of traffic, the session remains in active state for the first 2 minutes and then moves to Idle state.

For example, if you set the ICA session timeout value to 5 minutes, a session in which there is no traffic remains active for 2 minutes and then enters the idle state. If there is still no traffic at the end of another 5 minutes, the session is terminated. If the session has any traffic during the (2+5=) 7-minute period, the session moves to active state.

In the System pane, in the System Settings group, click Change ICA Session Timeout and set the timeout value.

Change Database Cache Settings

The database cache functionality of NetScaler Insight Center stores database content locally in the cache and serves the content to users without accessing the database server. By default, this feature is enabled.

In the System pane, in the System Settings group, click Change Database Cache Settings and clear (reset) or enable the cache.

Change Data Record Log Settings

Data record logs provide detailed information about appflow records that NetScaler Insight Center collects from NetScaler ADCs. These records are useful in monitoring and troubleshooting NetScaler Insight Center issues. These AppFlow records are stored in var/mps/log/mps_afdecoder.log.gz. By default, this feature is enabled for HDX Insight and disabled for Web insight.

In the System pane, in the System Settings group, click Change Data Record Settings and select the required check box(es).

Change URL Parameter Settings

If the length of URLs displayed in the Web Insight reports is very long, you can enable the trim URL functionality to remove the query string from the URL. By default, this feature is enabled.

In the System pane, in the System Settings group, click Change URL Parameter Settings and clear or select the URL trimming option.

Change Database Cleanup Settings

When NetScaler Insight Center database saves a lot of data, the load on NetScaler Insight Center can become heavy, and the appliance might start to become unresponsive. The database cleanup setting ensures that content that is out-of-date is removed from the database.

In the System pane, in the System Settings group, click Change Database Cleanup Settings and enable database cleanup.

Change Database Index Settings

Enable the database indexing functionality to facilitate efficient querying of the NetScaler Insight Center database.

Note: Disable this setting if the load on the database is higher than normal.

In the System pane, in the System Settings group, click Change Database Index Settings and change the setting.

Change Adaptive Threshold Setting

The adaptive threshold functionality in NetScaler Insight Center dynamically sets the threshold value for the maximum number of hits on each URL. If the maximum number of hits on a URL is greater than the threshold value set for the URL, a syslog message is sent to an external syslog server. The threshold value interval can be either days or weeks

Threshold-value calculation uses the following formula: Threshold value = Max hit * Threshold multiplier, where
  • Max hit is the maximum number of hits on a URL.
  • Threshold multiplier is a user-defined integer value (default: 2).
For more details, see Change Adaptive Threshold Setting.

In the System pane, in the System Settings group, click Change Adaptive Threshold Setting .

Change HTTP Header Report Settings

The Web Insight report on the dashboard can include HTTP header reports, which display specified HTTP header metrics. Each set of metrics that you decide to display appears in a separate node.

Following are some examples of situations in which these reports can be useful:
  • An administrator wants to identify the HTTP Response codes that display 404 error messages. The Response Code report shows this information for all NetScaler ADCs being monitored.
  • A browser, (for example Internet Explorer 9) has some known issues, and the administrator would like to identify the number of users using that browser. The information is shown in the User Agent reports.
  • An administrator would like to know the number of users who are using mobile devices to access the applications. That information is available in the Operating System reports.
  • An administrator would like to see the statistics about request methods (for example GET and POST) used by clients to access the web application. The Request Status report includes that information.

In the System pane, in the System Settings group, click Change HTTP Header Report Settings , and select the reports to display.

Verification

On the dashboard, under the Web Insight node, check to see if the nodes for the selected reports are displayed.

Limit Data Duration Persistency

You can limit the number of days for which the generated reports can persist in the database, after which the reports are permanently deleted.

In the System pane, under the System Settings group, click Limit Data Duration Persistency , and select the reports to display the settings.

Change Web Insight URL Data Collection Settings

If you do not want the URL reports to be displayed on the Web Insight node of the dashboard, disable the URL data collection settings.

In the System pane, under the System Settings group, click Change URL Data Collection Settings, and select the reports to display.