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To: Gregory Neil Shapiro <gshapiro@freebsd.org>
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From: Lowell Gilbert <freebsd-security-local@be-well.ilk.org>
Date: 15 Jan 2004 08:38:55 -0500
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cc: security at FreeBSD <freebsd-security@freebsd.org>
Subject: Re: mtree vs tripwire
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Gregory Neil Shapiro <gshapiro@freebsd.org> writes:

> > Is your reply from personal experience, or is it the same "Hey, it
> > could..." as is my question? If the former, would you elaborate on the
> > implementation details?
> 
> I use:
> 
> mtree -K sha1digest -c -X mtree.exclude -p / > mtree.out
> 
> where mtree.exclude is:
> 
> ./home
> ./mnt
> ./proc
> ./tmp
> ./var/account
> ./var/backups
> ./var/db
> ./var/imap
> ./var/lock
> ./var/log
> ./var/mail
> ./var/run
> ./var/spool
> ./var/tmp
> 
> Although I am sure there is a better way to do it with mtree, to
> see if something has changed, I repeat the process and diff the
> output.

That would be 
 mtree < mtree.out
to have mtree do it itself.