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1. US20060191006 - Denial-of-service-attack protecting method, denial-of-service attack protecting system, denial-of-service attack protecting device, repeater, denial-of-service attack protecting program, and program for repeater

官庁 アメリカ合衆国
出願番号 10567262
出願日 07.09.2005
公開番号 20060191006
公開日 24.08.2006
公報種別 A1
IPC
G 物理学
06
計算;計数
F
電気的デジタルデータ処理
12
メモリ・システムまたはアーキテクチャ内でのアクセシング,アドレシングまたはアロケーティング(情報記憶一般G11)
14
メモリの不正な使用に対する保護
出願人 NIPPON TELEGRAPH AND TELEPHONE CORPORATION
発明者 Satake Yasuhiro
Miyoshi Jun
Nagashima Masao
代理人 OBLON, SPIVAK, MCCLELLAND, MAIER &; NEUSTADT, P.C.
優先権情報 2004298243 12.10.2004 JP
2004298245 12.10.2004 JP
発明の名称
(EN) Denial-of-service-attack protecting method, denial-of-service attack protecting system, denial-of-service attack protecting device, repeater, denial-of-service attack protecting program, and program for repeater
要約
(EN)

A gate device acquires authorized address information indicating a source address of a non-attacking packet transmitted by an authorized device, i.e., an address issuing server, provided on a network. The gate device generates normal condition information indicating conditions for the non-attacking packet based on the authorized address information acquired, and does not allow passage of an attacking packet while allowing passage of a non-attacking packet. The non-attacking packet is one that satisfies the conditions indicated in the normal condition information.