ssh tunel failure.

[Paweł Sikora]

On Thursday 05 of December 2013 10:34:02 John Aldrich wrote:
> Quoting "Carlos \"casep\" Sepulveda" <casep at fedoraproject.org>:
> > On 5 December 2013 11:59, Paweł Sikora <pawel.sikora at agmk.net> wrote:
> >> Hi all,
> >> 
> >> i've recently reinstalled my previous distro with fc20-beta and observing
> >> strange ssh tunels disconnection. i'm establishing tunels in this way:
> >> 
> >> ssh -2fCN -p ${non-default port} -L
> >> ${local_port}:${endpoint}:{$endpoint_port}
> >> ${login}@${gatE}.
> >> 
> >> after some time (mostly few minutes) all unused ssh tunels die.
> >> any ideas?
> > 
> > Hi:
> > What about launching the ssh with -vvv or similar?
> > It looks like the ConnectTimeout parameter wasn't working properly.
> > 
> > Kind regards
> 
> Or, maybe you need a "keep-alive" signal to keep the tunnel open? It's
> basically just a matter of sending a ping or two every couple minutes.

ok, i've found a difference between default fc20 installation and my previous
distro. the /etc/ssh/ssh_config in fc20 doesn't contain following options:

        ServerAliveInterval 60
        ServerAliveCountMax 10
        TCPKeepAlive no

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