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Date: Wed, 3 Apr 2013 17:12:29 +0200
From: Corinna Vinschen <corinna-cygwin@cygwin.com>
To: cygwin@cygwin.com
Subject: Re: username case sensitive with the sshd service
Message-ID: <20130403151229.GA19412@calimero.vinschen.de>
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References: <001c01ce307b$db3a8840$91af98c0$@vertech.eu>
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User-Agent: Mutt/1.5.21 (2010-09-15)

On Apr  3 16:59, Maxime LAMBERT wrote:
>  
> >> I installed the last version of Cygwin (2.774) with the OpenSSH package
> on
> 
> >This is the version of setup.  Try `uname -r' instead.
> 
> >> a Windows Server 2012 and when I tried to establish a connection in
> ssh,
> >> I noticed that the username was case sensitive (username@IP). 
> >> With old versions of Cygwin with the SSH package that I'm using on
> Windows
> >> Server 2008 R2, I don't have this problem. For example, if I have an
> >> Administrator account with a "A" in upper-case, I can establish a
> >> connection both with $ssh administrator@IP and $ssh Administrator@IP.
> The
> >> username case sensitive is a new feature in the lastest package of
> >> OpenSSH? Can I deactivate the username case sensitive in the sshd
> service?
> 
> >How old is your old openssh package?  In recent versions of OpenSSH(*)
> >there's an explicit check for the username, and it is forced to be the
> >same case as in /etc/passwd.  This has been added after an upstream
> >discussion as to how to handle user names in ssh_config Match rules.
> >See `man ssh_config' for the Match rules.
> 
> 
> >Corinna
> 
> >(*) At least since OpenSSH-5.8p1.
>  
> The version of Cygwin that I installed on the Windows Server 2012 is the
> 1.7.17(0.262/5/3). So, I checked on my Windows Server 2008 R2 and the
> version of the OpenSHH package is 5.2 p1-4, that explained the differences
> that I encountered. So, I will try to install the new version of Cygwin
> with the package OpenSSH 5.2 p1-4. 

That's not the right thing to do.  By sticking to OpenSSH-5.2p1, you
end up with an old version of OpenSSH, with unfixed security bugs,
thus thwarting the sole reason why you're using SSH.

Why not just getting used to entering the username casesensitive, as
on any other system?


Corinna

-- 
Corinna Vinschen                  Please, send mails regarding Cygwin to
Cygwin Maintainer                 cygwin AT cygwin DOT com
Red Hat

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