Enterasys Intrusion Prevention System, Reporting Manual

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Event Growth Report Trending Reports
5-6 Enterasys IPS Analysis and Reporting Guide
hour period, as shown in Figure 5-5 ), but you can use the Filter feature to set a different time
period . See “ Creating and Editing Report Filters ” on page 1-10 for more information.
Also by default, Event Growth charts (column, bar, pie) show the Top 10 and Bottom 10 events —
the Top 10 events are those that showed the greatest positive growth over the time period, while
the Bottom 10 events showed the least (or negative) growth over the time period. You can select
the number of events to show, and you can choose to show only the Top
n , only the Bottom n , or
both Top and Bottom. The maximum value of n is 50.
The Event Growth Table shows all event counts for the two time periods, not just the Top and/or
Bottom
n events.
Figure 5-5 displays a Column chart format. The events with the greatest event growth are shown
on the left, graduating from greatest to least growth from left to right. The grey columns show the
previous range while the blue columns show the current range.
Hovering the mouse over a data segment displays the total event count for that period and, for the
current period, the event count change from the prior time period. The text boxes displaying this
information are bordered in green if the event count increased and in red if the event count
decreased.
Figure 5-5 Event Growth Tab – Column Chart