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Date: Tue, 08 Oct 2002 13:55:17 -0700
To: cygwin AT cygwin DOT com
From: Randall R Schulz <rrschulz AT cris DOT com>
Subject: RE: 1.3.12-4: editing /etc/passwd causes ssh to fail
In-Reply-To: <BADF3C947A1BD54FBA75C70C241B0B9E762F81@ex02.idirect.net>
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Content-Type: text/plain; charset="us-ascii"; format=flowed

Gentlemen,

Have you verified that the line newly added to the password file is 
consistent w.r.t. to line-ending convention (Unix vs. Windows) with the 
rest of the password file and the mount via which it is accessed by your 
ssh server?

Randall Schulz
Mountain View, CA USA


At 13:39 2002-10-08, Harig, Mark A. wrote:
>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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