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Date: Thu, 7 Mar 2019 20:14:39 +0900
From: Takashi Yano <takashi DOT yano AT nifty DOT ne DOT jp>
To: cygwin AT cygwin DOT com
Subject: Re: Logging-in using ssh elevates the user privilege.
Message-Id: <20190307201439.26961eb34e0c4a19b1f1d376@nifty.ne.jp>
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On Wed, 06 Mar 2019 19:33:17 +0100 Achim Gratz wrote:
> This has been the case for as long as I use ssh logins and is by design.
> You can drop privileges after logon (see cygdrop), but not aquire new
> ones.
> 
> So if that's changed behaviour for you, then your ssh logins didn't
> actually work the way you thought they were.

Thank you for your reply. I had tried cygdrop, and confirmed that
the problems below cannot be solved by cygdrop.

But I don't understand why...

On Thu, 7 Mar 2019 01:00:00 +0900 Takashi Yano wrote:
> Because of this behaviour, the process started in a ssh
> session cannot be killed from a normal mintty session.
> 
> This also causes gnu screen to freeze.
> 
> To reproduce this:
> (1) Start screen in mintty window.
> (2) Detatch from the screen (Ctrl-A d).
> (3) Login via ssh.
> (4) Attach screen by 'screen -r' in ssh session.
> (5) Detach from the screen (Ctrl-A d).
> (6) screen freezes and is not terminated normally.

-- 
Takashi Yano <takashi DOT yano AT nifty DOT ne DOT jp>

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