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Article #671

Re: Possibly nefarious users

#671
From: Adrian J Ho
Date: Sat, 15 Jun 1991 08:00
33 lines
2410 bytes
In article <1991Jun14.132933.4466@news.larc.nasa.gov> kludge@grissom.larc.nasa.gov ( Scott Dorsey) writes:
>   Nothing stupid at all about having publically accessible guest accounts.

Read on.

>If you have a guest account, you expect guests to use it.  That's why it's
>called a "guest" account.  Much like having an anonymous FTP set up, you
>have it there for people to use it.

Shouldn't you know who your "guests" are?  If so, why not create
(temporary) accounts for them outright, instead of mucking around with
a single account named "guest" that's just _asking_ to be messed with?

The analogy with anonymous FTP breaks down when you consider that in
the latter, your capabilities are strictly circumscribed by the FTP
protocol, whereas with a "guest" account, the sky's the limit, once
the user has circumvented any roadblocks you've thrown in his/her way.

>But if you make the point that you don't want people hacking on this account
>and that there isn't much on the machine that's worthwhile, you shouldn't
>have a problem.

Not true.  Ever heard of "distributed password-cracking"?  Access to
your machine itself is a valuable resource to a sufficiently
enlightened user, especially since distributed processing is all the
rage now, in more ways than one.....

>		That's not to say that you don't keep a good eye on what's
>going on there to make sure that there aren't any problems, but that's what
>system administration is all about, folks.

Well, there's enough problems to worry about without leaving my back
door wide open, so I'll pass on "guest" accounts, thank you.
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Message-ID: <ADRIANHO.91Jun15000042@barkley.berkeley.edu>
Path: arc1-ca.pugleaf.net!utzoo!utgpu!news-server.csri.toronto.edu!bonnie.concordia.ca!uunet!spool.mu.edu!agate!agate!adrianho
References: <1991Jun6.214915.18946@athena.mit.edu> <1991Jun7.164102.672@progress.com> <1991Jun7.184025.25010@eng.umd.edu> <1991Jun7.215349.11643@zaphod.mps.ohio-state.edu> <BAGCHI.91Jun12132001@snarf.eecs.umich.edu> <1991Jun14.132933.4466@news.larc.nasa.gov>

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Path: arc1-ca.pugleaf.net!utzoo!utgpu!news-server.csri.toronto.edu!bonnie.concordia.ca!uunet!spool.mu.edu!agate!agate!adrianho
From: adrianho@barkley.berkeley.edu (Adrian J Ho)
Newsgroups: comp.admin.policy
Subject: Re: Possibly nefarious users
Message-ID: <ADRIANHO.91Jun15000042@barkley.berkeley.edu>
Date: 15 Jun 91 08:00:42 GMT
References: <1991Jun6.214915.18946@athena.mit.edu>
 <1991Jun7.164102.672@progress.com> <1991Jun7.184025.25010@eng.umd.edu>
 <1991Jun7.215349.11643@zaphod.mps.ohio-state.edu>
 <BAGCHI.91Jun12132001@snarf.eecs.umich.edu>
 <1991Jun14.132933.4466@news.larc.nasa.gov>
Sender: usenet@agate.berkeley.edu (USENET Administrator)
Organization: University of California, Berkeley
Lines: 33
In-Reply-To: kludge@grissom.larc.nasa.gov's message of 14 Jun 91 13: 29:33 GMT