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Date:      Sun, 23 Sep 2001 09:49:36 +1000
From:      Edwin Groothuis <edwin@mavetju.org>
To:        Kory Hamzeh <kory@avatar.com>
Cc:        freebsd-questions@freebsd.org
Subject:   Re: daily security ceck - setuid diffs
Message-ID:  <20010923094936.H10641@k7.mavetju.org>
In-Reply-To: <002101c143bd$24564cc0$14ce21c7@avatar.com>; from kory@avatar.com on Sat, Sep 22, 2001 at 04:20:18PM -0700
References:  <002101c143bd$24564cc0$14ce21c7@avatar.com>

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On Sat, Sep 22, 2001 at 04:20:18PM -0700, Kory Hamzeh wrote:
> However, the next day in the daily security check e-mail, I receive a bunch
> of these warning:
> 
> ns2.avatar.com setuid diffs:
> 1,86c1,86
> <  95239 -r-xr-sr-x  1 root  operator   56892 Apr 21 02:05:46 2001 /bin/df
> <  95252 -r-sr-xr-x  1 root  wheel     317400 Apr 21 02:13:35 2001 /bin/rcp
> < 269831 -r-xr-sr-x  1 root  kmem       62792 Apr 21 02:08:02 2001
> /sbin/ccdconfig

If these are the only ones, then you have lost the s-bit on the
permissions of these files. If there are however also items like:
>  95239 -r-xr-sr-x  1 root  operator   56892 Xxx XX xx:xx:xx 2001 /bin/df
>  95252 -r-sr-xr-x  1 root  wheel     317400 Xxx XX xx:xx:xx 2001 /bin/rcp

where Xxx XX xx:xx:xx is the new time, then it's because of the
restore which changed the times on the files.
Maybe you should compare the md5 checksums of the old file and the
new files, but honestly I don't think its something to worry about
(based on your story).

Edwin

-- 
Edwin Groothuis   |              Personal website: http://www.MavEtJu.org
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