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Date: Mon, 19 Nov 2001 10:12:56 -0500 (EST)
From: Alexander Viro <viro@math.psu.edu>
To: vda <vda@port.imtp.ilyichevsk.odessa.ua>
cc: linux-kernel@vger.kernel.org
Subject: Re: x bit for dirs: misfeature?
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On Mon, 19 Nov 2001, vda wrote:

> > Trivial example: you have a directory with a bunch of subdirectories.
> > You want owners of subdirectories to see them.  You don't want them
> > to _know_ about other subdirectories.
> 
> Security through obscurity, that is.

Huh?  By the same logics /etc/shadow is security through obscurity -
after all, you can try all possible passwords one by one.  Ability to use
key != ability to see valid keys.
 
> Do you have even a single dir on your boxes with r!=x?

Yes.

Please, go to rtfm.mit.edu and find the UNIX FAQ there.  Then read the
relevant parts.

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