[Dovecot] dsync timeout?

micah anderson micah at riseup.net
Fri Feb 1 18:09:28 EET 2013


Sean Kamath <kamath at moltingpenguin.com> writes:

> On Jan 30, 2013, at 3:46 PM, micah anderson <micah at riseup.net> wrote:
>> Seems that only the above process was still around and no other dsync
>> processes. I have three machines that all have this happening it seems.
>> 
>> I wonder if there is a ssh configuration option I could set to make
>> these die off.
>
> If the ssh process isn't sending anything, and just waiting for read()s, and keepalives are turned off, the SSH session might never know the remote side is long gone. . .
>
> If any data were transmitted, it would discover the remote side is turned off.
>
> See man ssh_config and the option TCPKeepAlive.
>
> BTW: Since it's not on the command line, it's likely in /etc/ssh_config or /etc/ssh/ssh_config.  Or ~/.ssh/config.

In /etc/ssh/sshd_config on the server I'm sending to, TCPKeepAlive yes
is set.

The default on this system, according to the man page, seems to be to
have TCPKeepAlive set. 

Perhaps I should set ServerAliveInterval?

micah



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