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2. 发明申请

US20160344754A1 Configurable Robustness Agent in a Plant Security System 审中-公开
标题翻译：在工厂安全系统中可配置的鲁棒性代理
公开(公告)号：US20160344754A1
公开(公告)日：2016-11-24
申请号：US14719946
申请日：2015-05-22
申请人： FISHER-ROSEMOUNT SYSTEMS, INC.
发明人： Vinaya S. Rayapeta , Jacob B. Peschansky , William E. Bennett
IPC分类号： H04L29/06
CPC分类号： H04L63/1416 , H04L63/0227 , H04L63/145 , H04L67/12
摘要： A communications network security system includes a robustness agent that operates within a communications interface of a device at one or more nodes of the network to analyze and filter messages coming from or going onto the network. At each of the nodes, the robustness agent determines one or more sets of message characteristics associated with each of the messages passing through the agent, and the agent is configured to allow certain types of messages (e.g., messages with certain predetermined sets of characteristics) to be passed through the agent, prevent messages with other predetermined characteristics from being passed through the agent, such as by halting (discarding or filtering) these messages, and/or passes still other messages having other sets of message characteristics to a volume filter to be counted. The volume filter counts the number of messages with a particular set of message characteristics and passes these messages if the number of these detected messages over a particular period of time is less than a particular threshold, and filters these messages if the number of counted messages is greater than a particular threshold over a particular period of time.
摘要翻译：通信网络安全系统包括在网络的一个或多个节点处的设备的通信接口内操作的鲁棒性代理，以分析和过滤来自或进入网络的消息。在每个节点处，鲁棒性代理确定与通过代理的每个消息相关联的一组或多组消息特征，并且代理被配置为允许某些类型的消息（例如，具有特定预定特征集合的消息）通过代理传递，防止具有其他预定特征的消息通过代理传递，例如通过停止（丢弃或过滤）这些消息，和/或将具有其他消息特征集的其他消息传递给卷过滤器算一下音量滤波器对具有特定消息特征集的消息数进行计数，并且如果在特定时间段内的这些检测到的消息的数量小于特定阈值，则传递这些消息，并且如果计数消息的数量为大于特定时间段的特定阈值。

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