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John Norstad
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Disinfectant 2.0b2
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Disinfectant 2.0b2.rsrc
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STR#_206.txt
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1990-06-12
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before sending them out to be duplicated and distributed.
• If you sell software, please check your master disks for infections
software you receive.
distributing it. You should also, of course, run Disinfectant on all new
Mac community. Please carefully test all new software before
public domain and shareware software have a special responsibility to the
• Bulletin board operators and other people who maintain and distribute
backup.
• Back up your servers frequently. Run Disinfectant just before each
server.
• Check all new software with Disinfectant before installing it on a
section.
details on scanning servers, see the discussion in the “Special Features”
Northwestern, we try to check all our servers once a week. For more
that Disinfectant will be able to scan all the files on the server disk. At
Disinfectant from the virus tools disk. This is the only way to guarantee
production, start up the server from your virus tools disk, and run
are uninfected. For best results you should take the server out of
• Check server disks frequently with Disinfectant to make certain they
when it is possible.
write-protected folders, but you should make every attempt to do this
own file or folder, it is not always possible to put applications in
spread very rapidly. Since some applications insist on writing to their
protected by a protection INIT. This is one way in which viruses can
will in turn quickly infect any other Macs on the network which are not
infection to the application on the server. If it is a popular application, it
network that accesses the disk and uses the application might spread the
application is in a writable server folder, any infected Mac on the
not have the “Make Changes” privilege. On the other hand, if an
disks. Viruses cannot infect applications if they are in folders which do
• Try to put software in write-protected folders on AppleShare server
on the preferences window for details.
• Create a special “virus scanning station” in your lab. See the section
document.
to use the application. Distribute printed copies of the Disinfectant
protect against them. Give them copies of Disinfectant and teach them how
• Educate the people in your organization about viruses and how to
once a week.
start-up disks. At Northwestern University we try to check our lab disks
start-up disks. We have discovered that students love to play with the
protection INIT or GateKeeper is still installed and active on all your
that they are uninfected. Also check to make certain that the Disinfectant
• Check all your lab disks frequently with Disinfectant to make certain
start-up disks.
• Install the Disinfectant protection INIT or GateKeeper on all your lab
make certain that their software is free from infection.
viruses. People who sell software also have a special responsibility to
share Macs, or share a Mac network, is a perfect breeding ground for
domain and shareware software. An environment where many people
networks, Mac laboratories, Mac bulletin boards, or collections of public
The remaining recommendations are for people who manage Mac
shareware, and freeware.
Disinfectant. This rule applies to all new software—commercial software,
• Before using new software, check it for possible infections with
infected.
not become infected and to make certain your system has not become
• Run Disinfectant just before each backup to make certain the backups do
• Make periodic backups of your hard drive, at least once per week.
virus to infect files on a locked floppy.
and use the copy. Never unlock the original disk. It is impossible for a
new piece of software, immediately lock the disk it came on, make a copy
• Keep original software on locked floppies. Use copies. When you obtain a
grief.
religiously. They only take a minute to install and they can save you much
• If you do nothing else, use the Disinfectant INIT or GateKeeper
should take the problem seriously.
There is no need to panic over the current virus situation. However, you
åRecommendations
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