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From: Adam Dinwoodie <>
To: "" <>
Subject: Re: Feature request: File descriptor support by sockets.
Date: Sat, 8 Oct 2022 14:19:41 +0100	[thread overview]
Message-ID: <> (raw)
In-Reply-To: <>

On Thu, 6 Oct 2022 at 18:37, Darren Whobrey wrote:
> Hi, I'm using the latest version of Cygwin (3.3.6) and the Cygwin OpenSSH (OpenSSH_9.0p1, OpenSSL 1.1.1q  5 Jul 2022) version of ssh to talk to hosts using ControlMaster connection sharing. This uses sockets behind the scenes. When ControlMaster is set to no, the connection is successful.
> Ssh connections are failing at the point where IO starts to be forwarded to the host.
> Here's a snippet of log output from "ssh -vvv some-host":
> <snip>
> When successful connections are made from an OL7 client (with older version of OpenSSH, but mux commands are similar), comparative logs are:
> <snip>
> According to this web posting, it suggests the bug lies with "file descriptors over unix sockets do not work in Cygwin":
> Is this something that can be fixed?

I'm very confident it *can* be fixed! But this gap has existed since
at least 2009 (see and so I
suspect that, unless you're proposing to do the work or pay someone to
do it on your behalf, it's unlikely to happen any time soon.

      reply	other threads:[~2022-10-08 13:20 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-10-06 17:36 Darren Whobrey
2022-10-08 13:19 ` Adam Dinwoodie [this message]

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