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Filter event rules

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Filter event rules

Define a filter to restrict to which events the event rule must apply. Configure the filter by providing a set of conditions that each event must match to be either excluded or included from applying to the event rule.

Before you begin

Ensure that a name is specified for the event rule.

Role required: evt_mgmt_admin

About this task

To construct the required condition statement, you can use event fields as well as additional fields that are defined in the Additional Information field of the event. Use these fields to configure conditions that can exclude events. Alternatively, you can filter incoming events to ensure that only those events that meet the required conditions are included.
Note: Event rules matching is case-sensitive.

While working in the Event Filter tab:

  • In the Event rule list, if you selected a recommended rule or an existing rule, the filter fields are populated with values from these events. You can use these filter fields to compose filter conditions.
  • You can click another tab (for example, Threshold), work in that area and then return to work in the Event Filter area without losing information.
  • Use the right-panel as a source of reference for which fields are available to be used when composing filter conditions.
Note: Event filters created on additional_info fields only perform a string comparison and not a numeric comparison, even if the information entered into the value field appears as if it is numeric, as depicted in the following graphic:Event filter string comparison


  1. Navigate to Event Management > Rules > Event Rules.
  2. Click New or open an event rule.
  3. Click Event Filter.
  4. To ignore events, select Ignore events that match this filter. All events that match this event rule are ignored. You can add more conditions to the filter by clicking either OR or AND. Use the condition builder to construct the conditions for the filter statement.
    Note: Even if an event is ignored by an event rule, the event is still recorded in the Event [em_event] table. Select this option to inhibit an alert from being created and be associated with the event.
  5. To configure conditions to which the event rule must apply, click New Criteria. You can add further conditions by clicking either OR or AND.
  6. You can add fieldnames to the filter blacklist [em_event_rule_black_list] table to either show or hide the fields from the filter.
    • To remove fields from the filter and the right panel, add a new black list field with Show in rule not selected.
    • To remove fields only from the filter and still allow it to appear in the right panel, add a black list field with Show in rule selected.
  7. Click either Save or Submit.