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Date:      Tue, 13 Jul 2004 19:09:34 -0700 (PDT)
From:      Doug White <dwhite@gumbysoft.com>
To:        Kyle Mott <kyle@xraided.net>
Cc:        freebsd-stable@freebsd.org
Subject:   Re: Rebuilding wtmp
Message-ID:  <20040713190819.H527@carver.gumbysoft.com>
In-Reply-To: <000501c4683e$88da1070$150ba8c0@kyle>
References:  <000501c4683e$88da1070$150ba8c0@kyle>

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On Mon, 12 Jul 2004, Kyle Mott wrote:

> Hi, I have several systems that report 'w' and 'who' wrong/corrupted:
> root@neo:~# w
> USER             TTY      FROM              LOGIN@  IDLE WHAT
> kyle             p0       -                31Dec69     - w
>
> Obviously, Dec 31st 1969 is not right:
> root@neo:~# date
> Mon Jul 12 11:27:15 PDT 2004

you might make sure your w/who binary hasn't been fiddled with.  Changes
like this tend to point to a diagreement among utmp/wtmp writers about the
file format.

I've seen this where w was trojaned to mask certain user logins.

-- 
Doug White                    |  FreeBSD: The Power to Serve
dwhite@gumbysoft.com          |  www.FreeBSD.org



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