1. A method comprising: receiving, at a first cluster, a search query; contacting one or more clusters other than the first cluster to request information on their active indexers, at least one of the one or more clusters comprising a cloud-based cluster and said contacting occurring through a firewall of either the first cluster or the cloud-based cluster; obtaining, from the cloud-based cluster, the information associated with active indexers of the cloud-based cluster; distributing the search query to active indexers of the cloud-based cluster and the first cluster, said distributing to the active indexers of the cloud-based cluster occurring through the firewall of the cloud-based cluster; and receiving a response from individual indexers of the cloud-based cluster that includes event results associated with the search query.