Restricting virus access to a network

摘要

A method of restricting data communication to a network, the network comprising a plurality of data processors and a network communication element arranged to receive data communications originating outside the network, the method comprising monitoring data communications originating from outside the network and received at the network communication element and identifying the intended recipient data processor within the network of the received data communications; and determining if the identified intended recipient data processor has a corresponding entry on a record of network data processors and if not, adding a corresponding entry to the first record of network data processors and adding a corresponding entry to a second record of network data processors.