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:
Nov. 10, 2015
Filed:
Dec. 14, 2011
Byoung-koo Kim, Daejeon, KR;
Seung-yong Yoon, Daejeon, KR;
Byoung-Koo Kim, Daejeon, KR;
Seung-Yong Yoon, Daejeon, KR;
Electronics and Telecommunications Research Institute, Daejeon, KR;
Abstract
A server receives a first echo request message which complies with an Internet control message protocol, extracts filtering information from hear information of the received first echo request message, and when a second echo request message which complies with the Internet control message protocol is received, compares header information of the received second echo request message and the extracted filtering information so as to determine whether to block an attacking packet for the received second echo request message. According to the present invention, the server blocks the attacking packet using the Internet control message protocol, thereby blocking a denial-of-service attack.