Metrics: ICAP tab
The Metrics: ICAP tab contains a number of widgets that display various statistics about ICAP transactions on the system.
The data displayed in each individual widget can be reloaded by clicking the button at the top right corner of the widget. View the widget data in XML/JSON format by clicking the button. A brief overview of each widget is displayed in a pop-up when you click the icon.
Use appliance selector widget to select appliances to monitor. Initially no appliances are selected. Click the link and select one or more appliances from the pop-up. You can also set a Time range and the Time zone.
Appliances
The Appliances widget displays a legend of the selected appliances with each appliance assigned a unique color. The color is used in the other widgets to indicate the metrics of the applicable appliance. You can hide/show the metrics for a specific appliance by clicking its legend entry.
Preview bytes
The Preview bytes widget displays the amount of traffic processed by ICAP by differentiating between preview traffic and further reads that were needed for the analysis of files of interest.
ICAP read bytes
The ICAP read bytes widget displays the amount of traffic processed by ICAP by differentiating between preview traffic and further reads that were needed for the analysis of files of interest.
Processing time
The Processing time widget displays the average time taken by ICAP for the analysis of each request, in milliseconds.
Inspected transactions
The Inspected transactions widget displays the transactions for which ICAP analysis has determined the presence of content of possible security relevance, causing the ICAP service to request access to its full content for analysis (ICAP 200).
Prefiltered transactions
The Prefiltered transactions widget displays statistics on HTTP transactions which ICAP analysis has determined are not relevant from a security standpoint (ICAP 204).