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From: DOUGB@comsys.byu.edu (Douglas Barlow)
Newsgroups: comp.virus
Subject: RETRACTION: Disk Scanning (PC)
Message-ID: <0009.9101161910.AA06668@ubu.cert.sei.cmu.edu>
Date: 15 Jan 91 12:31:29 GMT
Sender: Virus Discussion List <VIRUS-L@LEHIIBM1>
Lines: 35
Approved: krvw@sei.cmu.edu


    YES, I MADE A MISTAKE!  I put my foot in my mouth before checking my
doumentation!  Sorry about the misinformation.
    Here is the best answer I received on the PC disk scanning problem.

Doug Barlow

> ------- Forwarded message
> Date: Fri, 11 Jan 91 08:23:01 -0500
>
> Doug,
> I am sure that by now you have gotten replies up the wazoo about having
> a floppy automatically checked on insertion. I do know of a software
> package that will check a disk on any access (COPY DIR etc.) called VI-
> SPY by RG Software.
> VI-SPY checks a disk on the first access if it is not removed then it does
> not check again. The way that it checks to see if a disk has been
> inserted/removed is something called the DRIVE CHANGE LINE. This is
> supported by both 3.5 and 5.25 inch disk drives and is dependent on the
> drive's manufacturer. Most computers since the AT support this. I know
> that all current IBM and Dell computers support this along with the
> external disk drives from PROCOM technologies.
> We use VI-SPY here at the U of PA and it has been very effective in
> stopping disk based nasties.
> Hope that this helps!
> Caroline Ferguson
> Computing Resource Center Manager
> University of Pennsylvania
>
> Standard disclaimer applies
>
> The opinions expressed are not my own but those of my evil twin who is
> not affiliated with the University.
>
> ------- End of Forwarded message