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Foglight Experience Monitor 5.8.1 - Installation and Administration Guide

Installing and configuring Multi-appliance clusters Configuring the appliance Specifying monitored web traffic Transforming monitored URLs Managing applications Foglight components and the appliance Using the console program Troubleshooting the appliance Appendix: Third party software Appendix: Dell PowerEdge system appliance

Managing subnets on a Portal

When you access the Subnets page in a multiple-appliance configuration, the configuration list is identical on all appliances, including the portal. You can, however add subnet and mask pairs on the Subnets page on the portal. You cannot use the auto-discovery functionality, since the portal does not monitor network traffic.

Identifying user sessions

The User Sessions page, accessed by clicking Configure > Monitoring > User Sessions, allows you to define how the appliance should identify user sessions, and what login variables are in use on your site.

To see user sessions that have been captured by the appliance, navigate to the User Sessions Log which can be accessed by clicking Analysis > User Sessions Log.

The log displays a list of user sessions that have been recorded by the system and is sorted by the time the user session ended. In the Identifier column either the login name or the IP address associated with the user session is displayed. Other information such as the name of an alarm triggered by the user session, the originating subnet or city, the duration of the session and the number of pages downloaded by the user is displayed.

For more information, see these topics:

How user sessions are identified

The most important configuration setting with regard to user sessions is the choice of a session identification variable.

Session identification variables are the entities that are used by the applications you are monitoring to distinguish one user session from another. Typically, these are cookie variables but they can also be embedded in the URL either in the path, parameter or as a query variable. In some cases, form variables (POST parameters) can also be used to identify user sessions.

Configuring user session identification

Use the following steps to configure user sessions.

The first step in configuring the system to track user sessions is to define the session identification variables that your application uses. A consultation with your application developers helps you determine what you should configure. If they are unavailable, a number of freely available tools, such as Mozilla® Web Developer Add-on, can also help you determine what you need to configure.

In the Session Identification Variables section, enter a variable used to identify user sessions, then click Add.

The list of user session variables is updated to include your addition.

The Session Identification Variables section lists all user session variables added to the appliance.

Use the and to establish the priority order with which the system evaluates user session identification variables. The system uses this in order to locate the session identification variable that it uses for a specific session.

Rather than entering session identification variable names manually, use the Auto-Discover Variables feature to find variables used to identify user sessions.

1
On the User Sessions page, in the Session Identification Variable section, click Auto-Discover Variables.

Displays the name of the variable that are passed in the URL, POST data, cookies, HTTP headers and Request headers.

You can select its check box and then click Add to configure it as a session identification variable.

A high variation means that there are many different values that appear for the variable. Variables that are used for session identification are expected to have a high variation ranking because they are different for every unique user session.

The number of times that the variable was found in the traffic.

The number of unique values of the variable found in the traffic.

Displays up to three of the most utilized values for the variable. Each variable is no more than ten characters in length.

4
Click Add.

Select the check boxes that correspond to the variables you would like to remove, then click the Delete button.

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