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:
Jan. 22, 2013
Filed:
Sep. 01, 2009
Jang Joong Kim, Seoul, KR;
Jang Joong Kim, Seoul, KR;
ESTsoft Corp., , KR;
Abstract
In a method of defending a Distributed Denial of Service (DDoS) attack, an attack target server determines whether the attack target server suffers a DDoS attack from a plurality of terminals and, according to a result of the determination, informs a control server that the attack target server suffers the DDoS attack by transmitting its own information to the control server. The control server which has received the information of the attack target server confirms the plurality of terminals which transmits data to the attack target server and transmits an attack prevention message to the plurality of confirmed terminals. Each of the plurality of terminals which has received the attack prevention message determines whether the terminal launches the DDoS attack and, according to a result of the determination, blocking the DDoS attack.