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Subject:	RE: 1.3.12-4: editing /etc/passwd causes ssh to fail
Date:	Tue, 8 Oct 2002 16:39:01 -0400
Message-ID:	<BADF3C947A1BD54FBA75C70C241B0B9E762F81@ex02.idirect.net>
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From:	"Harig, Mark A." <maharig AT idirect DOT net>
To:	"Len Giambrone" <frodo AT mit DOT edu>, <cygwin AT cygwin DOT com>
X-MIME-Autoconverted:	from quoted-printable to 8bit by delorie.com id g98Kd7J32059

I have seen this problem also, on Windows NT4 SP6.  I had the same
solution -- back out my changes.  I haven't had time to investigate what
is causing the problem but it starting occurring in one of the recent
releases of ssh in which privilege separation was added.

> -----Original Message-----
> From: Len Giambrone [mailto:frodo AT mit DOT edu]
> Sent: Tuesday, October 08, 2002 4:18 PM
> To: cygwin AT cygwin DOT com
> Subject: 1.3.12-4: editing /etc/passwd causes ssh to fail
> 
> 
> 
> This is on an installation using setup today with the latest 
> packages on
> archive.progeny.net.  It's running Win2k Server.  I think 
> I've also verified
> this on my XP HE box at home.
> 
> I can happily ssh into my box.
> 
> $ ssh Administrator AT foo
> Warning: Remote host denied X11 forwarding.
> Last login: Tue Oct  8 21:01:53 2002 from bar
> 
> Administrator AT LORIEN ~
> $ 
> 
> Now, I add the user foo:
> 
> Administrator AT LORIEN ~
> $ net user foo bar /add
> 
> I add the user to the password file
> 
> Administrator AT LORIEN ~
> $ mkpasswd -l -u foo >>/etc/passwd
> 
> And now I can't ssh in anymore:
> 
> $ ssh Administrator AT foo
> Warning: Remote host denied X11 forwarding.
> Connection to foo closed.
> $ ssh Administrator AT 172 DOT 16 DOT 34 DOT 104
> Warning: Remote host denied X11 forwarding.
> Connection to 172.16.34.104 closed.
> $
> 
> If I remove the new user foo, I can once again login:
> 
> Administrator AT LORIEN ~
> $ rm /etc/passwd; mkpasswd -l | grep -v ^foo >/etc/passwd
> 
> $ ssh Administrator AT foo
> Warning: Remote host denied X11 forwarding.
> Last login: Tue Oct  8 21:18:09 2002 from bar
> 
> Administrator AT LORIEN ~
> $ 
> 
> Has anyone seen this before?  Can someone please confirm or 
> deny that this
> happens to them?
> 
>                         -Len
> 
> 
> 
> 
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