3. The method of claim 1 wherein generating the data stream comprises: parsing a protocol of the network data packets; and obtaining payloads of the network data packets.
3. The method of claim 1 wherein generating the data stream comprises: parsing a protocol of the network data packets; and obtaining payloads of the network data packets. 4. The method of claim 3 wherein the protocol comprises Transmission Control Protocol (TCP), and scanning the portion of the data stream is performed for a particular TCP session on the computer network.