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Groups > comp.os.linux.networking > #1321

Re: Why does ssh keep hanging

From Chris Davies <chris-usenet@roaima.co.uk>
Newsgroups comp.os.linux.networking
Subject Re: Why does ssh keep hanging
Date 2012-04-30 10:38 +0100
Organization Roaima. Harrogate, North Yorkshire, UK
Message-ID <063279x6gn.ln2@news.roaima.co.uk> (permalink)
References <z9lnr.6198$tH5.5687@newsfe11.iad>

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unruh <unruh@invalid.ca> wrote:
> I am connecting to the net via a home router wireless (Zoom)  and I am
> discovering that if I leave an ssh session for more than a minute of
> two, it freezes (ie the ssh session stops being connected and the screen
> is frozen)

One (or more) of the firewall devices between you and the remote server
is timing out your session. To stop this happening you need to use the
ServerAliveInterval setting.

For example, drop this in your ~/.ssh/config, or if the file already
exists, tweak it appropriately:

    Host *
	ServerAliveInterval 60

I often have these two configuration items in there, too, but YMMV:
	ForwardX11 yes
	Compression yes

Chris

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Thread

Why does ssh keep hanging unruh <unruh@invalid.ca> - 2012-04-30 00:37 +0000
  Re: Why does ssh keep hanging "David W. Hodgins" <dwhodgins@nomail.afraid.org> - 2012-04-29 21:20 -0400
    Re: Why does ssh keep hanging Richard Kettlewell <rjk@greenend.org.uk> - 2012-04-30 09:06 +0100
  Re: Why does ssh keep hanging Chris Davies <chris-usenet@roaima.co.uk> - 2012-04-30 10:38 +0100
    Re: Why does ssh keep hanging unruh <unruh@invalid.ca> - 2012-04-30 14:46 +0000
      Re: Why does ssh keep hanging Chris Davies <chris-usenet@roaima.co.uk> - 2012-04-30 17:07 +0100
        Re: Why does ssh keep hanging unruh <unruh@invalid.ca> - 2012-04-30 16:53 +0000
      Re: Why does ssh keep hanging Jorgen Grahn <grahn+nntp@snipabacken.se> - 2012-04-30 19:53 +0000
        Re: Why does ssh keep hanging unruh <unruh@invalid.ca> - 2012-04-30 21:14 +0000
          Re: Why does ssh keep hanging Rick Jones <rick.jones2@hp.com> - 2012-04-30 22:33 +0000
            Re: Why does ssh keep hanging Bernhard Kupfer a.k.a. Compukiller <nntp@compukiller.net> - 2012-05-04 06:06 +0000
              Re: Why does ssh keep hanging Jorgen Grahn <grahn+nntp@snipabacken.se> - 2012-05-04 12:32 +0000
              Re: Why does ssh keep hanging Rick Jones <rick.jones2@hp.com> - 2012-05-04 18:29 +0000
                Re: Why does ssh keep hanging Jorgen Grahn <grahn+nntp@snipabacken.se> - 2012-05-05 03:54 +0000
                Re: Why does ssh keep hanging Rick Jones <rick.jones2@hp.com> - 2012-05-07 18:05 +0000
                Re: Why does ssh keep hanging Jorgen Grahn <grahn+nntp@snipabacken.se> - 2012-05-08 00:06 +0000
                Re: Why does ssh keep hanging Chris Davies <chris-usenet@roaima.co.uk> - 2012-05-09 09:44 +0100
                Re: Why does ssh keep hanging Jorgen Grahn <grahn+nntp@snipabacken.se> - 2012-05-09 11:08 +0000
                Re: Why does ssh keep hanging Chris Davies <chris-usenet@roaima.co.uk> - 2012-05-10 17:09 +0100
                Re: Why does ssh keep hanging Jorgen Grahn <grahn+nntp@snipabacken.se> - 2012-05-10 21:33 +0000
                Re: Why does ssh keep hanging Chris Davies <chris-usenet@roaima.co.uk> - 2012-05-10 23:38 +0100
                Re: Why does ssh keep hanging Jorgen Grahn <grahn+nntp@snipabacken.se> - 2012-05-11 09:22 +0000
  Re: Why does ssh keep hanging Richard Kettlewell <rjk@greenend.org.uk> - 2012-04-30 15:49 +0100
    Re: Why does ssh keep hanging unruh <unruh@invalid.ca> - 2012-04-30 15:48 +0000
      Re: Why does ssh keep hanging Richard Kettlewell <rjk@greenend.org.uk> - 2012-04-30 17:11 +0100

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