From owner-freebsd-security@FreeBSD.ORG  Wed Jun 30 15:39:35 2004
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Date: Wed, 30 Jun 2004 11:38:51 -0400
To: freebsd-security@freebsd.org
From: Gary Mulder <gmulder@infotechfl.com>
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Subject: Re: ttyv for local only?
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If someone hasn't suggested it already, you may want to install tripwire to 
md5 checksum all of your files.

Once you build the database, make a copy off-machine or use chflags on a 
copy of it so you have a reference database that your potential cracker 
can't modify.

Gary