Message-ID: <4F294184.9030805@cs.utoronto.ca>
Date: Wed, 01 Feb 2012 08:43:32 -0500
From: Ryan Johnson <ryan.johnson@cs.utoronto.ca>
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To: cygwin@cygwin.com
Subject: Re: IBM ssh gateway
References: <201202011046.40681.swampdog@ntlworld.com>
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On 01/02/2012 5:46 AM, Guy Harrison wrote:
> Hi Folks,
>
> Can anyone help interpret this? I am fairly certain the problem lies with
> IBM but I am no crypto expert. Is (for instance) the server rejecting the
> connection because (say) it does not understand ECDSA? Unfortunately I do
> not have an older instance of cygwin ssh to try that theory out. The
> failure is recent. I upgraded my cygwin instances over xmas.
>
> My primary concern is that the latter (linux) connection (after ~~~) may
> fail after a future upgrade.
I would definitely check with your local network security folks. When I 
was last at IBM I had trouble connecting from a certain machine -- just 
that one -- and nobody could figure out why. Finally, it turned out that 
I had a lot of locales installed and the long list of supported 
languages announced by my ssh client triggered some firewall rule.

Meanwhile, have you tried using `ssh -i' with a different key type? That 
should clarify whether it's an ECDSA issue, at least.

Ryan


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