NETWORK ATTACK PROTECTING APPARATUS, METHOD THEREOF, PACKET TRANSMISSION PROCESSOR INCLUDING THE SAME, AND METHOD THEREOF CAPABLE OF DEFENDING NETWORK ATTACK WITHOUT A NETWORK SECURITY DEVICE

摘要

PURPOSE: A network attack protecting apparatus, method thereof, packet transmission processor including the same, and method thereof are provided to defend network attack without a network security device. ;CONSTITUTION: A session management unit(164) determines TCP(Transmission Control Protocol) flag flooding attack according to reception packet information. The session management unit selects a third filtering object packet through session management. A packet processor(167) filters first to third filtering object packets in a packet buffer. The packet processor transfers the reception packet to a host. The packet processor transfers first to third filtering object packets information to the host.;COPYRIGHT KIPO 2011