Dynamic host configuration protocol (DHCP) is one of the most used network protocols for host configuration that works in data link layer. According to the current infrastructure topology diagram, router is connected to the switch and the internet through the router to distribute the internet to the switch and server to make connection. So that guests in the organization, access the internet on the LAN network through the wireless channel. The attacker can go to attack or steal customer information from the internet.
Security analysis of the proposed scheme showed that