Great Circle Associates Firewalls
(November 1993)
 

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Subject: Re: Death of an old myth...
From: Dan Schlitt <dan @ sci . ccny . cuny . edu>
Date: Tue, 9 Nov 93 09:04:29 -0500
To: brent @ GreatCircle . COM, fitz @ wang . com
Cc: Firewalls @ GreatCircle . COM

	
	> Based on what I've been hearing about the sharp rise in cracking
	> activity since the details of the latest round of Sendmail bugs became
	> known in the last couple of weeks,
	
	Now that I'm thinking about it.... has anyone else noticed a large
	increase in casual entry attempts since, say September?  I see more
	guest-login attempts, ftp probing, nntp-server probing, etc, than
	I ever had before.  I'm not sure if it's the new school year (and
	a crop of net-knowledgeable kids just getting their first school
	logins), or if it's a general result of the popularization of the
	net.  Or maybe I'm just paying more attention suddenly.

Brent is probably taking a simple reason that supports his position to
explain a complex situation.  The last sentence quoted above may have
a lot to do with what is being reported.  There is a fairly well
studied "chipped window syndrome" that results in large outbreaks of
"unexplained chipped windshield" reports.

It is probably the case that there is not adequate data to permit a
substantial conclusion.  It will just shift the discussion to a
meta-discussion of the validity of the studies and will not change
many opinions on the issues.

/dan

---

Dan Schlitt                        School of Engineering Computers
dan @
 sci .
 ccny .
 cuny .
 edu              City College of New York
dan @
 ee-mail .
 engr .
 ccny .
 cuny .
 edu     New York, NY 10031
                                   (212)650-6760

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