1. A method, comprising: receiving a flow of packets in a network; applying a filter to the flow in order to identify a protocol for the flow; extracting a plurality of objects associated with flow; determining a content type for each of the objects based on a signature identified within the objects; and providing a user interface to enable a user to use a query to search for stored objects, wherein the query includes search criteria used to identify certain objects that match the search criteria, wherein a particular search is scheduled for a recurring time interval and includes a particular search query with selected terms, and wherein certain results of the particular search trigger an e-mail message to be sent to an administrator.