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Date: Thu, 01 Nov 2001 12:23:01 -0500
To: John Peacock <jpeacock AT rowman DOT com>,
   "Colliver, Robert" <Colliver DOT Robert AT broadband DOT att DOT com>
From: "Larry Hall (RFK Partners, Inc)" <lhall AT rfk DOT com>
Subject: Re: key permission problem $CYGWIN=ntea, OPENSSH
Cc: "'cygwin AT cygwin DOT com'" <cygwin AT cygwin DOT com>
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References: <BF11C300DA60D5118A2900508BCF825B01396608 AT entcoexch05 DOT tci DOT com>
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At 12:03 PM 11/1/2001, John Peacock wrote:
>"Colliver, Robert" wrote:
> > 
> > After I set $CYGWIN=ntea I'm getting strange results chmod'ing files.
> > Specifcally my .ssh/id_dsa private key file for openssh.  It needs to have
> > -rw------- permissions, but I'm seeing this:
> > 
> > $ export $CYGWIN=ntea
> > $ chmod 600 id_dsa
> > $ ls -l id_dsa
> > -rw-r--r--    1 Administ None          736 Oct 29 13:05 id_dsa
> > 
> > At which point SSH fails because it thinks the key file is world readable.
> > So for grins I do this:
> > 
> > $ export $CYGWIN=""
> > $ chmod 600 id_dsa
> > $ ls -l id_dsa
> > -rw-r--r--    1 Administ None          736 Oct 29 13:05 id_dsa
> > 
> > Now SSH is perfectly happy... But I can't figure out why.  Is the flat file
> > that hold the extended attribute for "ntea" corrupted?
>
>Is your disk NTFS?  If not, you are not able to take advantage of several 
>features like ntea and ntsec (the latter is what you should be using anyways).


This is not quite right.  I'll direct you both to 

http://www.cygwin.com/cygwin-ug-net/using-filemodes.html

which explains the use of ntea.  If Robert's partition is NTFS though,
John's quite right to recommend the use of the ntsec option instead.
And if Robert's using Win9x, then it doesn't matter what option he sets.  
I think the FAQ entry:

Why doesn't chmod work?
http://www.cygwin.com/faq/faq_4.html#SEC44

points out the Win9x issue quite nicely.  It also gives a good synopsis 
of the differences between ntea and ntsec too!





Larry Hall                              lhall AT rfk DOT com
RFK Partners, Inc.                      http://www.rfk.com
118 Washington Street                   (508) 893-9779 - RFK Office
Holliston, MA 01746                     (508) 893-9889 - FAX


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