• 1. Log in to the Symantec Endpoint Protection Manager
  2. Click Policies
  3. Click Intrusion Prevention
  4. Right-click the policy in the right-hand pane and click Edit
  5. Click Settings
  6. Check the Enable excluded hosts box
  7. Click the Excluded Hosts button
  8. Click the Add button
  9. Enter the required information and click OK
  10. Click OK out of the Excluded Hosts pane
  11. Click OK out of the Intrusion Prevention Policy pane

Hope this helps :)