The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 19, 2015
Filed:
Mar. 08, 2012
Jun Seob Kim, Seoul, KR;
Woo Young Jung, Seoul, KR;
Jun Seob Kim, Seoul, KR;
Woo Young Jung, Seoul, KR;
ESTsoft Corp., Seoul, KR;
Abstract
The present invention relates to a method of defending against a spoofing attack using a blocking server, and more particularly, to a method of defending against a spoofing attack using a blocking server, which is characterized in that it involves inspecting an IP and MAC address included in an ARP packet received by a client in a network, and changing the addresses to a legitimate IP address and to a corresponding MAC address when the addresses are found to be used in a spoofing attack. According to the present invention, in the blocking of a spoofing attack against a network, an IP address and a MAC address for legitimate hardware connected to the network may be prestored and monitored, so as to exhibit the effect of an accurate defense being enabled in a short time.