If it's just SSH, you need ClientAliveInterval 600 for 10 minute time out.
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How to set the remote ssh time out
Is there any way by which ssh server disconnect after 10 min if the user is not using the remote terminal.
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Answers
At the bottom of the page above it says:
Dealing with ssh clients
SSH allows administrators to set an idle timeout interval. After this interval has passed, the idle user will be automatically logged out. Open /etc/ssh/sshd config file, enter:
# vi /etc/ssh/sshd config
Find ClientAliveInterval and set to 300 (5 minutes) as follows:
ClientAliveInterval 300
ClientAliveCountMax 0
Save and close the file. Restart sshd:
# service sshd restart
Pretty much, yeah. ClientAliveCountMax is the maximum amount of times sshd will try contact the client (after the ClientAliveInterval time) to determine if it's up.
So pretty much, if you have ClientAliveInterval set to 10 (for ease of example here), every 10 seconds the server is going to check if the client is connected (responding to a sort of ping if you will). So if ClientAliveCountMax is 0, it'll try once after 10 seconds of idle time to check if client is still alive, if it's not, it'll disconnect the client. If ClientAliveMaxCount is 3, it'll try 3 times before disconnecting the client, so in this case 3x10 = 30 second of inactivity. There's more info in 'man sshd'.
I don't think I've ever changed the default of ClientAliveCountMax, I've always changed it at 0 (default is 3) and altered the ClientAliveInterval as to me it's pretty much the same thing.. maybe someone else would have an explanation as to why ClientAliveCountMax exists when you can just alter ClientAliveInterval.
As for custom error message, I think the error is just a connection timed out and cannot be altered.
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by: stephenhoekstraPosted on 2009-11-05 at 02:14:50ID: 25748040
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