The secure DHCP system with user authentication

DHCP (dynamic host configuration protocol) makes it easy to access an IP network. However, since the DHCP itself does not have an access control, illegitimate users inside a network segment can easily abuse inside or outside the network. Therefore, we have introduced an authentication scheme and access control into the DHCP system. Using a popular authentication by MAC (media access control) address, a user cannot utilize an IP address except on the MAC address' machine. We propose user authentication and access control for the DHCP system and demonstrate its security.

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