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Date:      Tue, 29 May 2001 19:27:18 -0400
From:      Robert Withrow <witr@rwwa.com>
To:        Matt Dillon <dillon@earth.backplane.com>
Cc:        Seth <seth@psychotic.aberrant.org>, Vivek Khera <khera@kcilink.com>, stable@FreeBSD.ORG
Subject:   Re: adding "noschg" to ssh and friends 
Message-ID:  <200105292324.TAA73334@ns1.rwwa.com>
In-Reply-To: Your message of "Tue, 29 May 2001 16:15:24 PDT." <200105292315.f4TNFOu31573@earth.backplane.com> 

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dillon@earth.backplane.com said:
:- Putting on my security hat... no.  All you are doing is forcing
:- the hacker to use some more obscure and possibly less detectable way
:- to compromise the machine.  So, in fact, you could be making the
:- problem *worse*. 

Maybe your security hat needs cleaning?  The whole game is played by raising
the cost of hacking.  Using your theory, we should eliminate all passwords.
*Then* we'd be pretty sure no hacker would trouble himself by using any
obscure hacking methods.  (Of course, that would be like windows, wouldn't
it?)

No system is un-hackable.  But a prudent person raises the cost of hacking
the system (read that as raising the difficulty) so that it is larger than
the expected gain of hacking the system.  That is the best you can do.


---------------------------------------------------------------------
Robert Withrow, R.W. Withrow Associates, Swampscott MA, witr@rwwa.COM


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