A protection method against unauthorized access and address spoofing for open network access systems

摘要: Modern PCs are becoming increasingly small and portable. To provide network access for such mobile PCs, LAN connection points appearing in public places as libraries. However, it is difficult to prevent unauthorized from these points, especially protect against attacks that based on IP and/or MAC address spoofing. In this paper, we propose a protection method access. Our method, utilizing switches with VLAN tagging features, allows only authorized users the network, records users' activities, prevents IP/MAC