1. A system for communicating information through a network, the system comprising: one or more information handling systems interfaced through a network, the information handling systems operable to communicate information across the network by reference to predetermined session parameters; one or more storage devices interfaced with the network, the storage devices operable to store information and to communicate with the information handling systems by reference to the predetermined session parameters; an intermediate device disposed between the information handling systems and storage devices, the intermediate device having local memory; and a session security engine associated with the intermediary device, the session security engine operable to apply the predetermined session parameters to define a key, to store the key in the intermediary device memory and to restrict communications through the network that fail to match the key stored in the intermediary device memory; wherein the predetermined session parameters comprise selected of plural packet header values having a predetermined arrangement.