From owner-freebsd-questions  Fri Jul 14 12:37:57 2000
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Date: Fri, 14 Jul 2000 13:54:17 +0200
From: Willem Brown <willem@brwn.org>
To: Harry Putnam <reader@newsguy.com>
Cc: freebsd-questions@FreeBSD.ORG
Subject: Re: /var/mail  Read only with mutt
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References: <87sntfapy5.fsf@satellite.local.lan> <20000713150234.G48641@strontium.scientia.demon.co.uk> <m2u2dthvrb.fsf@reader.ptw.com>
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In-Reply-To: <m2u2dthvrb.fsf@reader.ptw.com>; from reader@newsguy.com on Fri, Jul 14, 2000 at 03:05:44AM -0700
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Hi,

man 2 chmod and man 8 sticky

     If mode ISVTX (the `sticky bit') is set on a directory, an unprivileged
     user may not delete or rename files of other users in that directory. The
     sticky bit may be set by any user on a directory which the user owns or
     has appropriate permissions.  For more details of the properties of the
     sticky bit, see sticky(8).

Regards
Willem

On Fri, Jul 14, 2000 at 03:05:44AM -0700, Harry Putnam wrote:
> Ben Smithurst <ben@FreeBSD.ORG> writes:
> 
> > . . . . . . .   I prefer to make /var/mail mode 1777 (i.e.
> > world writable with the sticky bit, like /tmp).  Just do a 'chmod 1777
> > /var/mail'.  If you intend to upgrade using make world, you should put
> > this command in /etc/rc.local or somewhere since the upgrade will reset
> > /var/mail to its default mode (775).
> > 
> 
> 
> Chmod 1777 cured the problem, but does it raise any tricky security problems?
> 
> 
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