Linux系统SSH超时断开怎么办?

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  在Linux系统中,如果SSH长时间不工作,请求超时就会自动断开,那么要如何设置才能让SSH连接不自动断开呢?下面小编就给大家介绍下Linux SSH超时自动断开的解决方法。

  解决方法:

  通过修改/etc/ssh/sshd_config中的配置解决自动断开的问题。下面是要修改的两个配置项的含义:

  “ClientAliveInterval指定了服务器端向客户端请求消息的时间间隔, 默认是0, 不发送。而ClientAliveInterval 60表示每分钟发送一次, 然后客户端响应, 这样就保持长连接了。这里比较怪的地方是:不是客户端主动发起保持连接的请求(如FTerm, CTerm等),而是需要服务器先主动。

  另外,至于ClientAliveCountMax, 使用默认值3即可.ClientAliveCountMax表示服务器发出请求后客户端没有响应的次数达到一定值, 就自动断开。正常情况下, 客户端不会不响应。“

  1 查看当前配置

  grep“ClientAlive” sshd_config

  #ClientAliveInterval0

  #ClientAliveCountMax3

  2 备份原文件

  cp sshd_configsshd_config.bak

  3 修改配置文件

  sed-i “s/#ClientAliveInterval 0/ClientAliveInterval 60/g” sshd_config

  sed -i “s/#ClientAliveCountMax3/ClientAliveCountMax 3/g” sshd_config

  4 验证修改结果

  grep“ClientAlive” sshd_config

  diff sshd_configsshd_config.bak

  5 重启服务

  service sshdrestart

  上面就是Linux SSH超时断开的解决方法介绍了,通过本文的设置,不管SSH是否超时都不会断开,如果需要自动断开可再设置回来。

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