Putty ssh session timeout3/18/2024 So at the end, this is not a problem, this is by design, so "dontfix/reject" makes sense here. Modify setting as follows: ClientAliveInterval 30. First, log into the remote server and then open your /etc/ssh/sshdconfig file using the sudo command and a text editor of your choice: sudo vi /etc/ssh/sshdconfig. (5 minutes. Ive been using it for over 10 years, and Im still finding out new features. Enable SSH keep-alives by changing the following setting to a positive value: A value of 300 should suffice in most cases. There is lots of cool stuff you can do with screen. Cycle through your open screen windows: CTRL-A, space. Note : ClientAliveInterval: number of seconds that the server will wait before sending a null. b) Find the ClientAliveInterval option to 60 (in seconds) or add the value if it is not there. The only nice solution to the above is to use a software like "screen"Īctually if you get to the point where the SSH-Server would keep the connection open forever (which would make SSH insecure! ) still your Router or ISP would kill the connection after some time and you would not have an existing tcp-session when resumed your Computer. Fix OpenSSH Server connection drops out after few minutes of inactivity. Reconnect to your screen session after logging back in again: screen -d -r. Option 1 : How to Prevent SSH Timing out from OpenSSH Server : a) As a root user, open sshdconfig file : vi /etc/ssh/sshdconfig. Program A is terminated if not started in background with all proper options or as a daemon or using "screen" or similar toolsĬlient Wakes Up -> Autoconnect to SSH-Server in a fresh session, Program A is dead Server -> Client is gone for xxx Seconds Closing connection (for security or other reasons (max open connections etc) ) add ServerAliveInterval 20 and ServerAliveCountMax 100 on client-side in file /.ssh/sshconfig or we can add them to command line like this. We can use the following way to increase the SSH connection timeout in Linux. Frankly speaking its expected behaviour as mentioned above due security, but may have a quick look a bit later today if its possible to add option keep alive or smth like such, logically it may be option reconnect on wakeup as well.Īs a last try to get this issue rejected, you want to achieve this: Recommended Steps to increase SSH connection timeout.
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