# Add Ethernet rules

Ethernet rules define which Ethernet protocol packets the engines stop, and which packets are allowed through.

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Ethernet rules are used in IPS, Layer 2 Engine, and Layer 2 Interface Policies.

For more details about the product and how to configure features, click Help or press F1.

## Steps

1. Select Engine.
2. Expand the Policies branch and select one of the following types of policies:
   - IPS Policies
   - Layer 2 Engine Policies
   - Layer 2 Interface Policies
3. Open a Template Policy or Policy for editing, and switch to the Ethernet tab.
4. Add the rule in one of the following ways:
   - Right-click the ID cell of an existing rule and select Add Rule Before or Add Rule After.
   - Copy and paste an existing rule.
5. Specify the matching criteria.
6. Right-click the Action cell, then select the Action.
7. (Optional) Define options for triggering logs and alerts.