[MQTT] Terminated due to {shutdown,idle_timeout}

环境

  • EMQX 版本:4.4
  • 操作系统版本:windows server 2008

2023-05-25 09:13:50.832 [debug] IP:51837 [MQTT] Terminated due to {shutdown,idle_timeout}
2023-05-25 09:13:51.939 [debug] IP:51838 [MQTT] Terminated due to {shutdown,idle_timeout}
2023-05-25 09:13:52.797 [debug] IP:51839 [MQTT] Terminated due to {shutdown,idle_timeout}
2023-05-25 09:13:53.234 [debug] IP:51840 [MQTT] Terminated due to {shutdown,idle_timeout}

日志中经常出现上述信息 其中IP是固定的
其中有一个客户端是 IP:51238 实实在在存在的

其他的51837往后 都是不存在

该日志表示这个 IP+PORT 的客户端,只做了 TCP 连接,没有在规定时间(30s) 发送 MQTT CONNECT 报文