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Message-ID: <00c201c1eb00$92b61b60$03dad741@2kiisikon>
From: "Chris Ellsworth" <cke AT highlandshighspeed DOT net>
To: <cygwin AT cygwin DOT com>
References: <003401c1eaee$b6458550$03dad741 AT 2kiisikon> <E1705x9-0006xT-00 AT maynard DOT mail DOT mindspring DOT net> <20020423194237 DOT GA11970 AT redhat DOT com>
Subject: Re: Cygdrive mounts
Date: Tue, 23 Apr 2002 12:53:43 -0700
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but if any unix user that know what im doing can doa mount and .. well
now the obscure is not so obscure any more
but do think the best option si to do ethe deny rights to the group
that comes in from ssh

----- Original Message -----
From: "Christopher Faylor" <cgf-cygwin AT cygwin DOT com>
To: <cygwin AT cygwin DOT com>
Sent: Tuesday, April 23, 2002 12:42 PM
Subject: Re: Cygdrive mounts


> On Tue, Apr 23, 2002 at 12:27:45PM -0700, Michael A Chase wrote:
> >On Tue, 23 Apr 2002 10:45:52 -0700 Chris Ellsworth
<cke AT highlandshighspeed DOT net> wrote:
> >
> >> I am doing install of this for sshd on windows for clients for
the
> >> purpose of forwarding ports for access such as VNC, pcanywhere
FTP and
> >> other items and i dont want to give access to the other areas of
the
> >> drives. I tryed the umount command and have not sucessfully
removed
> >> it. maybe i am doing something but here is what i have done.
> >>
> >> [admin AT 2k-iis-ikon]~:{103}:$ mount
> >> c:\cygwin\bin on /usr/bin type system (binmode)
> >> c:\cygwin\lib on /usr/lib type system (binmode)
> >> c:\cygwin on / type system (binmode)
> >> c: on /cygdrive/c type user (textmode,noumount)
> >> f: on /cygdrive/f type user (textmode,noumount)
> >> [admin AT 2k-iis-ikon]~:{104}:$ umount -U
> >> [admin AT 2k-iis-ikon]~:{105}:$ mount
> >> c:\cygwin\bin on /usr/bin type system (binmode)
> >> c:\cygwin\lib on /usr/lib type system (binmode)
> >> c:\cygwin on / type system (binmode)
> >> c: on /cygdrive/c type user (textmode,noumount)
> >> f: on /cygdrive/f type user (textmode,noumount)
> >> [admin AT 2k-iis-ikon]~:{106}:$
> >
> >You are likely doomed to disappointment.  Even if you disable
/cygdrive/c,
> >c:/xxx will probably still work.  Perhaps sshd will allow you to
specify a
> >local root.  You can link or mount whatever you want to allow
access to
> >from inside there.
> >
> >I tried "umount -U -c" and "umount -c", but neither worked for me,
probably
> >a local system problem.  I was able to delete the information in
the
> >registry (HKEY_LOCAL_MACHINE\SOFTWARE\Cygnus
Solutions\Cygwin\mounts v2),
> >but I don't know what other side effects might result so I'm
putting it
> >back right away.
>
> 'umount -U -c' and 'umount -c' are the same thing.
>
> If you want to remove something from the system mount table use the
> options mentioned in 'umount -h' for manipulating the system mount
> table.
>
> However, cygwin defaults to /cygdrive, so even if you remove
/cygdrive
> settings from the registry, /cygdrive will still work.
>
> It might be possible to mount /cygdrive to something like '/:::' or
> something, obfuscating its use.
>
> cgf
>
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