Sudden 'Connection to *** closed by remote host' while working

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So, I often connect to my computer from outside via ssh, and normally there is no problem. But from time to time, I get 'Connection to (my host name) closed by remote host' suddenly after 10 minutes or longer without any apparent reasons.



Since I have firewall both in host network and client network, I am using another ssh server and establish ssh tunnel, and then connect to my remote host like below.



[remote] -reversed ssh tunnel- [server] -ssh tunnel- [client]



I have tried setting 'TCPKeepAlive' to 'no' and it improved the connection stability a bit, but still I get the sudden disconnect.



There is no such problem when the client is in the same network as the remote host, where I can connect to the remote directly without using ssh tunnel.



Is there any idea to make the connection more stable?



Thank you






linux ssh networking remote






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    So, I often connect to my computer from outside via ssh, and normally there is no problem. But from time to time, I get 'Connection to (my host name) closed by remote host' suddenly after 10 minutes or longer without any apparent reasons.



    Since I have firewall both in host network and client network, I am using another ssh server and establish ssh tunnel, and then connect to my remote host like below.



    [remote] -reversed ssh tunnel- [server] -ssh tunnel- [client]



    I have tried setting 'TCPKeepAlive' to 'no' and it improved the connection stability a bit, but still I get the sudden disconnect.



    There is no such problem when the client is in the same network as the remote host, where I can connect to the remote directly without using ssh tunnel.



    Is there any idea to make the connection more stable?



    Thank you






    linux ssh networking remote






    share







    New contributor




    user300049 is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
    Check out our Code of Conduct.





















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      up vote
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      down vote

      favorite











      So, I often connect to my computer from outside via ssh, and normally there is no problem. But from time to time, I get 'Connection to (my host name) closed by remote host' suddenly after 10 minutes or longer without any apparent reasons.



      Since I have firewall both in host network and client network, I am using another ssh server and establish ssh tunnel, and then connect to my remote host like below.



      [remote] -reversed ssh tunnel- [server] -ssh tunnel- [client]



      I have tried setting 'TCPKeepAlive' to 'no' and it improved the connection stability a bit, but still I get the sudden disconnect.



      There is no such problem when the client is in the same network as the remote host, where I can connect to the remote directly without using ssh tunnel.



      Is there any idea to make the connection more stable?



      Thank you






      linux ssh networking remote






      share







      New contributor




      user300049 is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
      Check out our Code of Conduct.











      So, I often connect to my computer from outside via ssh, and normally there is no problem. But from time to time, I get 'Connection to (my host name) closed by remote host' suddenly after 10 minutes or longer without any apparent reasons.



      Since I have firewall both in host network and client network, I am using another ssh server and establish ssh tunnel, and then connect to my remote host like below.



      [remote] -reversed ssh tunnel- [server] -ssh tunnel- [client]



      I have tried setting 'TCPKeepAlive' to 'no' and it improved the connection stability a bit, but still I get the sudden disconnect.



      There is no such problem when the client is in the same network as the remote host, where I can connect to the remote directly without using ssh tunnel.



      Is there any idea to make the connection more stable?



      Thank you






      linux ssh networking remote




      linux ssh networking remote





      share







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      user300049 is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
      Check out our Code of Conduct.










      share







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      user300049 is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
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      share






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