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1. 发明专利

JP2014042121A Communication cut-off device, communication cut-off method and program 有权
标题翻译：通信切断装置，通信切断方法和程序
公开(公告)号：JP2014042121A
公开(公告)日：2014-03-06
申请号：JP2012182654
申请日：2012-08-21
申请人： Pfu Ltd , 株式会社Pfu
发明人： IMAMURA SHINYA
IPC分类号： H04L12/66
CPC分类号： H04L45/70
摘要： PROBLEM TO BE SOLVED: To provide a device that can appropriately permit and cut off communication from an information processing device connected with a network even if the communication comes through a proxy server.SOLUTION: A sensor device 1 for cutting off communication by an object device 2 connected with a network comprises: a guiding unit 21 for guiding information transmitted by the object device 2 to the sensor device 1; an identification information acquisition unit 23 for acquiring identification information to identify the notification destination of a message comprising the information guided by the guiding unit 21 from a message of a prescribed protocol at an upper layer than a transport layer; a permission determination unit 24 for determining whether communication by the message will be permitted or denied on the basis of at least the identification information obtained by the identification information acquisition unit 23; and a communication permission unit 25 for permitting communication by the object device 2 by transferring the message regardless of cut-off of communication by a communication cut-off unit 22 when it has been determined that communication is permitted by the permission determination unit 24.
摘要翻译：要解决的问题：提供一种能够适当地允许和切断与网络连接的信息处理设备的通信的设备，即使通过代理服务器通信。解决方案：用于切断由对象设备进行通信的传感器设备1 2包括：引导单元21，用于将由对象设备2发送的信息引导到传感器设备1; 识别信息获取单元23，用于从比传输层上层的规定协议的消息中获取标识信息以识别包括由引导单元21引导的信息的消息的通知目的地; 至少基于由识别信息取得部23得到的识别信息，确定是否允许或拒绝该消息的通信的许可决定部24; 以及通信许可单元25，用于当确定允许确定单元24允许通信时，通过传送消息来允许对象设备2进行通信，而不管通信截止单元22的通信被切断。

2. 发明专利

JP2012138727A Information processing device, address overlap handling method, and address overlap handling program 有权
标题翻译：信息处理设备，地址重写处理方法和地址重写处理程序
公开(公告)号：JP2012138727A
公开(公告)日：2012-07-19
申请号：JP2010289164
申请日：2010-12-27
申请人： Pfu Ltd , 株式会社Pfu
发明人： IMAMURA SHINYA
IPC分类号： H04L12/46 , H04L12/28
CPC分类号： H04L61/103 , H04L41/0873 , H04L61/2038 , H04L61/2092
摘要： PROBLEM TO BE SOLVED: To prevent a problem which can be caused by overlap of high-order layer addresses in a network.SOLUTION: A sensor device 20 comprises: a terminal detection part 21 which detects a terminal connected to a network segment 2; an overlap detection part 22 which compares an IP address used by a detected terminal 10X detected by the terminal detection part 21 with a predetermined IP address to detect the overlap of the IP addresses; and a notification part 23 which when the overlap detection part 22 detects the overlap of the IP addresses, notifies a notification target terminal 10B which can have been notified of the MAC address of the detected terminal 10X by the detected terminal 10X, of the MAC address of a terminals other than the detected terminal 10X.
摘要翻译：要解决的问题：为了防止网络中高阶层地址重叠可能引起的问题。传感器装置20包括：检测连接到网段2的终端的终端检测部21; 比较由终端检测部21检测出的检测终端10X使用的IP地址与预定的IP地址的重叠检测部22，以检测IP地址的重叠; 以及通知部23，当重叠检测部22检测到IP地址的重叠时，通知被检测到的终端10X检测到的终端10X的MAC地址的通知目标终端10B的MAC地址的检测终端10X以外的终端。版权所有（C）2012，JPO＆INPIT

3. 发明专利

JP2011223256A Communication monitoring device, method, and program 有权
标题翻译：通信监控设备，方法和程序
公开(公告)号：JP2011223256A
公开(公告)日：2011-11-04
申请号：JP2010089567
申请日：2010-04-08
申请人： Pfu Ltd , 株式会社Pfu
发明人： KOIDE KAZUHIRO , IMAMURA SHINYA
IPC分类号： H04L12/28
CPC分类号： H04L63/1408
摘要： PROBLEM TO BE SOLVED: To restrict communication to an information processing equipment even when the information processing device's communication to a communication monitoring device is difficult to induce.SOLUTION: A communication monitoring device 20 comprises: a first communication induction part 23 which induces communication from a quarantine object node 90 to the communication monitoring device 20; a second communication induction part 24 which induces the communication to the quarantine object node 90 from another information processing device to the communication monitoring device 20; a sending and receiving part 25 which receives communication addressed to the communication monitoring device 20; an induction success determination part 26 which determines that the induction done by the first communication induction part 23 is successful when the communication addressed to the communication monitoring device 20 from the quarantine object node 90 is received; a communication induction release part 28 which releases the induction of the communication done by the second communication induction part 24 when the induction done by the first communication induction part 23 is determined to be successful.
摘要翻译：要解决的问题：即使当信息处理设备与通信监视设备的通信难以引起时，也限制与信息处理设备的通信。通信监控装置20包括：第一通信感应部分23，其引导从隔离对象节点90到通信监视装置20的通信; 第二通信感应部分24，其引导到隔离对象节点90从另一信息处理设备到通信监视设备20的通信; 发送和接收部分25，其接收寻址到通信监视装置20的通信; 感应成功确定部分26，当接收到来自隔离对象节点90的通信监视装置20的通信时，确定由第一通信感应部分23完成的感应是成功的; 当由第一通信感应部分23进行的感应被确定为成功时，通信感应释放部分28释放由第二通信感应部分24进行的通信的感应。版权所有（C）2012，JPO＆INPIT

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