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Date:	Fri, 5 Jun 2020 22:05:34 +0300
From:	Andrey Repin <anrdaemon AT yandex DOT ru>
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To:	"Frances B. Webb" <frances DOT webb AT cornell DOT edu>, cygwin AT cygwin DOT com
Subject:	Re: trouble maintaining an open ssh connection past 20 minutes
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Greetings, Frances B. Webb!

> My ssh config is this, followed by a bunch of hostname aliases:

> Host *
>         ServerAliveInterval 180
> Host solr* jenkins folio*
>         IdentityFile ~/.ssh/aws_id_rsa

> The ServerAliveInterval is something I added when I was trying to debug the
> issue last summer. It didn't work, and I never took it out.

I hope you are aware that all matching operators mutually exclusive?

> The servers that I'm communicating with are a combination of Amazon Web
> Services hosted and on-campus server farm machines. Both sets are virtual
> machines, if that makes any difference. I did ask last summer, and all I got
> from our operations people was an assurance that they definitely didn't set
> up the servers to limit ssh sessions to 20 minutes. If there are specific
> misconfigurations that someone can suggest I check or ask them about, I'd be
> happy to pursue that further. Out-of-date server software is worth looking
> into if there are known incompatibilities.

Do you have any local firewall software installed?


-- 
With best regards,
Andrey Repin
Friday, June 5, 2020 22:04:09

Sorry for my terrible english...

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