Connection tracking system is in charge of tracking all the connections and judging to which connection every packet is related.
连接跟踪系统负责跟踪所有的连接并且判断每个经过的包属于哪个连接。
参考来源 - 基于QoS带宽管理技术的P2P流量控制研究及其实现Connection tracking can implement 'stateful' firewall. It can be extended in the aspect of protocol and helper.
轨迹跟踪子系统主要用来实现防火墙中与“状态”相关的部分，也可对它在协议、助理等方面进行扩充。
参考来源 - Linux内核防火墙源代码分析·2,447,543篇论文数据，部分数据来源于NoteExpress
When update tracking is enabled, the change becomes effective when the first successful connection to the database is made.
当启用了更新跟踪之后，首次成功连接到数据库之后更改将变得有效。
Connection handle tracking and reassociation.
连接处理跟踪和再关联。
This article USES a combination of Argus and racluster (an Argus client) due to its simplicity and light weight for tracking connection status.
本文将使用Argus和racluster (Argus客户机)的组合，因为它十分简单并且是跟踪连接状态的轻量级软件。
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