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Linux ssh shell timeout11/13/2022 ![]() These other hosts are behind the same firewall as the problematic Rocky 8 host and also have ClientAliveInterval and TMOUT set as described above. I have ruled out this possibility by noting that sessions from the same Windows host to other Linux hosts (not Rocky 8) do not close. It occurred to me that perhaps a firewall sitting between my client and server might be monitoring connections and actively closing (via TCP FIN, perhaps) those that have been idle for some time. This environment variable is not set anywhere. We ensure that the users use correct host IP addresses, user details without any typo errors. Therefore, our Support Team begins checking by verifying the SSH connection details. I have searched for TMOUT in all regular files in the entire file system. Usually, SSH timeout errors show up when users give the wrong SSH hostname or outdated IP address. etc/ssh/sshd_config has ClientAliveInterval set to 0. I will explain below the potential causes I've ruled out. What are the settings within redhat which disconnect sessions that are not been active for a while Environment Red Hat Enterprise Linux 6 Red Hat Enterprise Linux 7 Red Hat Enterprise Linux 8 up to 8. Need information about the options available to set ssh timeout values. I am trying to understand how these sessions are being closed. English Issue SSH connections disappears due to inactivity. I have not measured the timeout, but it seems to be on the order of a small number of hours. These sessions close after a period of inactivity. You may change it to 300 for keeping a five minute timeout interval. The timeout interval is count in seconds and by default it is 0. It is a good idea to configure idle timeout interval. Such idle sessions are also a security risk. #Linux ssh shell timeout windows 10I am connecting via SSH from PuTTY running on Windows 10 to an OpenSSH server on Rocky Linux 8. The idle timeout interval is the amount of time an SSH connection can remain active without any activity. ![]()
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