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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

Testing hints

After adding a hint (page, hit, asynchronous page, asynchronous hit), you can verify that there are URLs that match the hint.

Click the Test link to the right of any hint. The Hint Test window displays a list of all resources that match the hint that you have entered.

Figure 69. Hint Test page

Deleting hints

To delete any hint, select its corresponding check box, then click Delete.

Page definitions allow you to define a page by identifying all of the components on that page. This is usually not needed, but may be required if your site makes heavy use of HTML frames. In this case, the system might not be able to accurately determine the components of a page and the metrics for the page will be inaccurate.

Figure 70. Page definitions example

To see the list of components that are considered to be part of a page, click the Hits link shown in the Diagnosis section of the Metric View for the page.

Figure 71. Viewing a metric for a page

When viewing a metric for a page (Figure 71), users can view all hits associated with the page.

Figure 72. Viewing hits associated with a page

The appliance is normally able to determine which hits are associated with a page by employing internal algorithms. By knowing which hit URLs reside on a page, the appliance can accurately calculate metrics for that page.

However, in some cases, the appliance cannot correctly associate hits with a page. This can result in some hit URLs not being associated with its proper parent page, or some URLs not being recognized as the beginning of a new page download.

When it is difficult for the appliance to discern what constitutes a complete page, you can create page definitions to describe these complete pages for the appliance. Using a page definition overrides the appliance’s default page structuring processes, and allows you to define a page by explicitly identifying those hits via their URLs.

To create page definitions:
1
On the Configure > URLs > Page Definitions page, click Add a Page Definition.
The URLs > Page Definitions > Edit Page Definition page displays.
2
In the Page Definition section, click Select Page to locate the page to which this definition applies.
A Resource List window appears, displaying all pages that have been monitored so far.
3
If desired, narrow the list to a more specific set of pages by entering a search string in the Search box, then clicking Go.
You can use an asterisk (*) as a wild card to define a segment of the string that matches any combination of characters.
•
Optionally, reduce the list further by opting to display only secure (HTTPS) or insecure (HTTP) web pages from the Protocol list, then clicking Go.
•
Show URLs with encoding or decoding.
4
When you have located the page to which you would like the page definition to apply, click the page URL.
You are returned to the Edit Page Definition page, and the newly added page URL appears in the Page Definition section.
5
In the Hits section, click Add a Hit.
The same Resource List window appears.
6
Repeat step 3 through step 5 until you have added all the hits associated with the page.
7
Click OK to accept this page definition.
You are returned to the URLs > Page Definitions page, where your newly created definition is listed.
8
Click Done to return to the main URLs page.

When creating a definition on the URLs > Page Definitions page, clicking Auto-Discover Pages initiates a process that identifies pages you want to include in the page definition. The appliance achieves this by monitoring pages accessed from your IP address. Using this option lets you build page definitions faster than manually adding pages one by one.

To automatically discover page definitions:
1
Open a web browser and navigate to the desired page on your site that you want to include in the page definition.
2
On the Configure > URLs > Page Definitions page, click Auto-Discover Pages.
3
In the Session Identification area select one of the following options to tell the system how to discover your usage of the monitored application for auto-discovery:
a
Select the IP Address option and then type a valid IP address in the box.
This option works only if your client IP address is not being translated by an HTTP proxy before it reaches the monitored application.
b
Select the Session Identifier option. Select a Session Identifier from the box. In the Value box, enter the value for the selected session identifier that has been assigned to your session.
Typically, a session identifier is a cookie. Determine what value has been assigned to your session cookie using a tool like the Mozilla® Web Developer Toolkit.
For more information, see Managing user session identification variables.
c
Select the Login Variable option. Choose a Login Variable from the list. In the Login Name text box, type a login name then choose a Session Identification variable from the list to tell the system how to track your session after the login name you defined has been discovered.
4
Click Start to initiate a process whereby the appliance monitors the pages that you access in the first browser.
5
In the first browser, navigate through each of the pages in your service until it is completed.
The list of pages you access are displayed in the Page Definitions > Auto-Discovery page in the web console.
6
To stop monitoring network traffic, click Stop.
A list of server IPs discovered in the traffic appears.
All discovered pages are displayed in a list with the following information:
•
The time in milliseconds for each URL based on the session identifier
•
The type of data returned in the URL. For example HTML, Text or a graphic type
•
The URL
7
In Discovered Servers, click Configure to add the IP to the list of monitored servers.
Currently configured indicates that the IP address is already in the monitored servers list.
8
Select the check boxes for the page of the corresponding URL that you would like to add to the page definition.
9
Click Add.
10
After being returned to the URLs > Page Definitions page, click Done.

Advanced URL options

Several optional settings that affect URLs can be found by clicking Configure > URLs > Advanced Options. The Advanced Options page allows you to toggle various processing operations in the Preferences area.

For more information, see these topics:

•
“Show ports in URLs” option
•
“Show parameters in URLs” option
•
“Show HTTP request methods in URLs” option
•
“POSTs with no content-type should be handled as XML” option
•
Proxy tunneling
•
“Do not strip the “www” prefix from URLs” option
•
“Ignore 401 codes during NTLM authentication” option
•
“Exclude redirections from metric calculations” option
•
“Use HTML parser for page recognition” option
•
Extensions
•
Response codes

"Show ports in URLs" option

“Show ports in URLs” option

The Show ports in URLs check box controls whether the port numbers that appear in URLs encountered by the appliance are included in the URLs stored in the database. For some sites, the port numbers can help to distinguish identical applications that are running on the same web sever.

If you leave the check box clear (the default setting), the setting is disabled, and the system automatically strips the port numbers out of monitored URLs.

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