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:
Dec. 30, 2014
Filed:
Dec. 08, 2006
Method for preventing denial of service attacks using transmission control protocol state transition
IN Seon Yoo, Seongnam-si, KR;
In Seon Yoo, Seongnam-si, KR;
Samsung SDS Co., Ltd., Seoul, KR;
Abstract
Disclosed is a method of preventing a denial of service (DoS) attack using transmission control protocol (TCP) state transition. Flow of packets transmitted between a client and a server using TCP is monitored to prevent the DoS attack, e.g., SYN flooding, and to efficiently reduce the load on the server and provide more secure service. By applying the method to a firewall, a proxy server, an intrusion detection system, etc., of a server, it is possible to make up for vulnerabilities regarding a DoS attack without disturbing a conventional TCP state transition operation and detect, verify and block DoS attacks abusing the vulnerabilities, thereby providing more secure service.
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