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From: thomson@hub.toronto.edu (Brian Thomson)
Subject: Re: Unix security additions
Message-ID: <1991Apr12.101319.8523@jarvis.csri.toronto.edu>
Organization: University of Toronto
References: <39950@cup.portal.com> <1991Mar14.230944.9184@eci386.uucp> <PCG.91Mar17174428@aberdb.test.aber.ac.uk> <1991Mar22.024124.3238@ec <1090@mwtech.UUCP> <19183@rpp386.cactus.org> <PONA272@xds13.ferranti.com>
Date: 12 Apr 91 14:13:20 GMT
Lines: 15

In article <PONA272@xds13.ferranti.com> peter@ficc.ferranti.com (Peter da Silva) writes:
>In article <19183@rpp386.cactus.org> jfh@rpp386.cactus.org (John F Haugh II) writes:
>> Likewise, if you can only restore
>> files that were backed up using the special utilities, you can't just
>> put any program you want on the system.
>
>Sure: back up to tape, read tape on a non-secure system, edit it, write
>it out again, and restore.

You don't get a secure installation by buying a secure machine and
putting it in a location where a user can tamper with its backup tapes.
Of course secure systems require physical safeguards!
-- 
		    Brian Thomson,	    CSRI Univ. of Toronto
		    utcsri!uthub!thomson, thomson@hub.toronto.edu