On 2008-03-04, D Herring <dherring@at.tentpost.dot.com> wrote:
> Andy wrote:
>> Hey Guys
>>
>> I been logging into my box from the outside world ( my job)
>>
>> SSh only .
>>
>> the problem is that when I go idle on the pc, after a certain amount
>> of time
>>
>> I get logged out of my ssh session?
>>
>> I am using ssh by vandyke. I don't see any setting in there.
>>
>> Is there a value I need to change in my ssh config ?
>>
>
> This could be due to sshd or a shell timeout... probably the shell.
>
> Check /etc/ssh/sshd_config and read `man sshd_config` for
> ClientAliveCountMax and ClientAliveInterval. But this just checks
> that the client software is connected properly, not that they're using
> the connection. I believe the PuTTY client has an option to send
> periodic nulls to keep a connection open.
>
> An activity timeout is probably due to the shell. From `man bash`:
> TMOUT If set to a value greater than zero, TMOUT is treated
> as the default timeout for the read builtin. The select command
> terminates if input does not arrive after TMOUT seconds when input is
> coming from a terminal. In an interactive shell, the value is
> interpreted as the number of seconds to wait for input after issuing
> the primary prompt. Bash terminates after waiting for that number of
> seconds if input does not arrive.
>
> The same works for ksh and many other shells. What does `echo $TMOUT`
> say in one of your ssh sessions? This is often set in /etc/profile.

You might also try setting ServerAliveInterval.

I usually put something like the following in my ~/.ssh/config

------------8<---------------------

host somehost
user mrgoblin
ServerAliveInterval 45
hostname somehost.somewhere.com
ForwardX11 no

------------->8---------------------

The following link might help explain what it does.

http://www.derkeiler.com/Newsgroups/...5-01/0252.html

Gobby

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