Re: ssh connection
From: David Efflandt (efflandt_at_xnet.com)
Date: Tue, 7 Oct 2003 01:51:32 +0000 (UTC)
On Mon, 6 Oct 2003 14:46:17 -0700, Raymond Hall <firstname.lastname@example.org> wrote:
> Wonder if anyone knows of a way to keep an ssh connection alive. Our setup:
> Machine A connects over the internet to our ssh server in the DMZ. Once
> that connection is established, we tunnel back through from machine B.
> I'd like to know the best way to keep that initial connection from Machine A
> alive....a ping from a cron? Anyone?
Maybe 'KeepAlive yes' in your ~/.ssh/config. However, if you have a shell
that disconnects you during inactivity or some firewall/NAT freeing up
inactive ports, that could be a problem. One broadband gateway in
particular that closes inactive ssh sessions is Dlink DI-604 (although, it
was never a problem for my DI-704).
I sometimes forget to disconnect from my Solaris ISP overnight, and it
still works in the morning, unless my dynamic adsl has reconnected with a
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