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Article View: comp.sys.mac.apps
Article #3161

Re: DiskLock hard disk security

#3161
From: Leonard Rosenthol
Date: Thu, 07 Jun 1990 16:31
46 lines
2863 bytes
In article <2529@zipeecs.umich.edu> austin@dip.eecs.umich.edu (Richard Austin) writes:
>I have a couple of questions:
>
>1) The entire hard disk can be password-protected.  This is probably a 
>   silly question, but I assume that someone could still boot the Mac from
>   a floppy without knowing the password, right?  He just couldn't mount
>   the hard disk.
>
	Correct.  The Mac is still usuable via floppy or other HD's that 
might be mounted, but the DiskLocked drive would be unaccessable w/o the 
correct password.

>2) How does DiskLock handle remote access?  For example, I believe that
>   I can transfer files to and from my Mac via ftp if I leave the NCSA
>   Telnet application running (and the Mac on, of course).  If I were to
>   leave my Mac on when I left for the evening, and DiskLock activated
>   itself after the specified period of inactivity, would I still be able
>   to connect to my Mac via ftp?  Telnet already has a way to require a 
>   password, so I'm not worried about security.  Would DiskLock interfere,
>   and if it did, would there be a way for me to give it my password?
>
	When DiskLock engages during usages either automagically from the
DA timeout value or a force manual lock, DiskLock's first task (for the 
most part) is to unmount the disk and 'relock' it so that if someone where to
try to reboot or insert a floppy or whatever, the drive would still be locked.
As such, since the drive is unmounted, you could FTP in, but the drive would
not be listed in the drive list since it would not be there, and there would
be no way to unlock it remotely.  Allowing such would be a neat thing, but 
impossible to implement.

>I'm also interested in general remarks about DiskLock, good or bad.  Please
>reply by email, & I'll post if there's interest.
>
	I have been using it for a while now (beta tested the original version)
and I have had no problems with it. It is easy to setup and use and does not
get in the way of my work which is important.  Although it is simple it what
it offers (though VERY secure!), that is what makes it so good.  I don't want/
need all the EXTRA stuff that Empower/AME, etc. offers.  I just want my HD
unusuable by everyoone else...


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Leonard Rosenthol        |  GEnie : MACgician
Lazerware, inc.          |  MacNet: MACgician
UUCP: svc@well.UUCP      |  ALink : D0025
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Path: arc1-ca.pugleaf.net!utzoo!attcan!uunet!cs.utexas.edu!usc!apple!well!svc
References: <2529@zipeecs.umich.edu>

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Path: arc1-ca.pugleaf.net!utzoo!attcan!uunet!cs.utexas.edu!usc!apple!well!svc
From: svc@well.sf.ca.us (Leonard Rosenthol)
Newsgroups: comp.sys.mac.apps
Subject: Re: DiskLock hard disk security
Message-ID: <18397@well.sf.ca.us>
Date: 7 Jun 90 16:31:10 GMT
References: <2529@zipeecs.umich.edu>
Reply-To: svc@well.sf.ca.us (Leonard Rosenthol)
Distribution: na
Organization: Whole Earth 'Lectronic Link, Sausalito, CA
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