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    • 3. 发明申请
    • Apparatus and method for performing header lookup based on sequential lookup
    • 基于顺序查找执行标题查找的装置和方法
    • US20050141513A1
    • 2005-06-30
    • US10993606
    • 2004-11-19
    • Jintae OhSeung ShinKi KimJong JangSung Sohn
    • Jintae OhSeung ShinKi KimJong JangSung Sohn
    • H04L12/56
    • H04L45/00H04L45/54H04L45/62
    • An apparatus and method for performing packet header lookup based on sequential lookup is provided. A header analyzer separates a header from a packet received via a network and outputs a lookup sequence. A unit lookup unit looks up matching the header combination rules with each field to be analyzed and input from the header analyzer based on the lookup sequence input from the header analyzer and outputs a match signal and a match address. A rule combination memory stores identification information for the header combination rules. A sequence combination memory stores lookup sequence information and sequence combination information. A rule combination unit generates match results based on the match signal input from the unit lookup unit and data read from the rule combination memory and the sequence combination memory.
    • 提供了一种用于基于顺序查找来执行分组报头查找的装置和方法。 报头分析器将报头与经由网络接收的分组分离,并输出查找序列。 单元查找单元根据从标题分析器输入的查找序列查找与标题组合规则与要分析的每个字段和从标题分析器输入的匹配,并输出匹配信号和匹配地址。 规则组合存储器存储标题组合规则的标识信息。 序列组合存储器存储查找序列信息和序列组合信息。 规则组合单元基于从单元查找单元输入的匹配信号和从规则组合存储器和序列组合存储器读取的数据产生匹配结果。
    • 4. 发明申请
    • Method and apparatus for pattern matching based on packet reassembly
    • 基于分组重组的模式匹配的方法和装置
    • US20060198375A1
    • 2006-09-07
    • US11269340
    • 2005-11-07
    • Kwang BaikJin OhKi KimJong JangSung Sohn
    • Kwang BaikJin OhKi KimJong JangSung Sohn
    • H04J1/16H04L12/56
    • H04L63/1416H04L69/16H04L69/166
    • A method and apparatus for pattern matching using packet reassembly are provided. The pattern matching method using packet reassembly includes: extracting serial information in relation to a current input packet; determining whether or not pattern matching result information in relation to one or more previous packets and/or subsequent packets on the basis of the serial number of the current input packet is already stored; loading the pattern matching result information in relation to the previous packets and/or subsequent packets; and reassembling the loaded pattern matching result information in relation to the previous packets and/or subsequent packets and the current input packet and performing pattern matching with attack patterns which are already stored. Accordingly, by using packet reassembly, a method and apparatus for pattern matching capable of reducing memory usage without lowering the speed can be provided
    • 提供了一种使用分组重组进行模式匹配的方法和装置。 使用分组重组的模式匹配方法包括:提取与当前输入分组相关的串行信息; 基于当前输入分组的序列号来确定与一个或多个先前分组和/或后续分组相关的模式匹配结果信息是否已被存储; 加载与先前分组和/或后续分组相关的模式匹配结果信息; 并重新组合与先前分组和/或后续分组和当前输入分组相关的加载模式匹配结果信息,并且与已经存储的攻击模式执行模式匹配。 因此,通过使用分组重组,可以提供能够在不降低速度的情况下减少存储器使用的用于模式匹配的方法和装置
    • 5. 发明申请
    • Real-time network attack pattern detection system for unknown network attack and method thereof
    • 用于未知网络攻击的实时网络攻击模式检测系统及其方法
    • US20060123480A1
    • 2006-06-08
    • US11088975
    • 2005-03-24
    • Jintae OhSeung ShinKi KimJong JangSung Sohn
    • Jintae OhSeung ShinKi KimJong JangSung Sohn
    • G06F12/14
    • H04L63/1408
    • The present invention relates to a real-time network attack pattern detection system and a method thereof in which a common pattern is detected in real time from packets, which are suspected to be a network attack such as Worm, to effectively block the attack. The system includes: a suspicious packet detector for classifying a suspicious attack packet from all input packets; a first data delaying unit for receiving the input packet from the suspicious packet detector to output an one-clock delayed data; a second data delaying unit for receiving an output signal from the first data delaying unit to output an one-clock delayed data; a hash key generator for receiving an output data of the suspicious packet detector, an output data of the first data delaying unit and an output data of the second data delaying unit to generate a hash key; a hash table for storing a lookup result obtained by the hash key generated from the hash key generator; and an existence & hit checker for checking the lookup result of the hash table.
    • 本发明涉及一种实时网络攻击模式检测系统及其方法,其中从怀疑是诸如蠕虫的网络攻击的分组实时检测到公共模式,以有效地阻止攻击。 该系统包括:可疑包检测器,用于从所有输入分组中分类可疑攻击包; 第一数据延迟单元,用于从可疑分组检测器接收输入分组以输出一个时钟延迟的数据; 第二数据延迟单元,用于从第一数据延迟单元接收输出信号以输出一个时钟延迟的数据; 散列密钥发生器,用于接收可疑包检测器的输出数据,第一数据延迟单元的输出数据和第二数据延迟单元的输出数据以产生散列密钥; 哈希表,用于存储通过从所述散列密钥发生器生成的散列密钥获得的查找结果; 以及用于检查哈希表的查找结果的存在和命中检查器。
    • 10. 发明申请
    • Bracket for disk drive
    • 磁盘驱动器支架
    • US20070014086A1
    • 2007-01-18
    • US11320971
    • 2005-12-30
    • Ki-Bum KimEun BaeDong KwakKi KimSeong BoohJin ChoKwong Bae
    • Ki-Bum KimEun BaeDong KwakKi KimSeong BoohJin ChoKwong Bae
    • G06F1/16
    • G06F1/187G11B33/08G11B33/124
    • A bracket for a disk drive, including: a base plate containing the disk drive; a side wall portion vertically protruded from an end portion of the base plate; and a displacement portion extended from the side wall portion and bending due to a vibration transmitted by making contact with the disk drive. Accordingly, a bracket according to the present invention has an improved buffering ability without installing a buffer. Also, the bracket can not only effectively protect a disk drive from an external impact but also be applied to an electric device such as a portable device. Also, a bracket according to another embodiment can prevent mutual interference between circuits provided on the bracket.
    • 一种用于磁盘驱动器的支架,包括:包含磁盘驱动器的基板; 从所述基板的端部垂直突出的侧壁部; 以及从侧壁部分延伸的位移部分,并且由于通过与盘驱动器接触而传递的振动而弯曲。 因此,根据本发明的支架在没有安装缓冲器的情况下具有改进的缓冲能力。 此外,支架不仅可以有效地保护磁盘驱动器免受外部冲击,而且可以应用于诸如便携式设备的电气设备。 此外,根据另一实施例的支架可以防止在支架上设置的电路之间的相互干扰。