> ### Working with rule sets

> A rule set is a set of rules that you associate with one or more resources through a monitoring plan. These rule sets are stored by resource type in the Fathom Component Library. These links allow you to create OpenEdge-related rule sets:

> - Create AppServer Rule Set.
> - Create NameServer Rule Set.
> - Create WebSpeed Rule Set.

> To display the Fathom Component Library page where these OpenEdge links appear, click Library.

> Note: The Log File Rule Set link on the Fathom Component Library page allows you to create rule sets to be shared among all log file resource monitors.

> Rule sets provide a way for you to manage many broker resource types by sharing rule definitions. In this way, you create a common set of rules that you can associate with multiple resource instances.

> Each rule set you create is stored in the Fathom Component Library, making the rule set available for reuse as well as use by other resource monitors within a given resource type.

> You can also add individual rules to a monitoring plan, whether or not the rules are part of any rule set. Note that if you include a rule in a monitoring plan's rule set and then add the same rule again with modifications, the rule in the rule set is overridden by the rule with the modifications.

> Fathom provides a default rule set for each OpenEdge resource type as it does for other resource types. For example, when an AppServer broker resource is added to Fathom, a default monitoring plan, with a default rule set, is assigned to it. Fathom also provides this default rule set assignment for WebSpeed and NameServer resources.

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