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RE: FW: Legal? Road Runner proactive scanning.[Scanned]
From: "Shawn Jackson" <sjackson () horizonusa com>
Date: Thu, 18 Mar 2004 08:02:07 -0800

-----Original Message-----
From: David Gillett [mailto:gillettdavid () fhda edu] 
Sent: Wednesday, March 17, 2004 11:42 AM
To: 'Jef Feltman'; security-basics () securityfocus com
Subject: RE: FW: Legal? Road Runner proactive scanning.[Scanned]

 You call a hotel, and instead of asking for a non-smoking
double room overlooking the pool, you ask if room 1 is available,
then if room 2 is available, then if room 3 is available, and
so on.  At some point, this amounts to a denial of service
against the hotel switchboard operator....

Dave Gillett

A portscan is a method of checking weather a service is accepting data
or not. It's a simple connection that closes if the port responds. A
denial of
Service would be flooding that port with so much traffic that it can't
respond to other requests, that is not the case with a portscan. The
Analogy is fundamentally flawed for this argument. You wouldn't be
taking with the operator, a portscan would see if you can 'phone' the
hotel, then
When they pick up you verified the 'port' is open. Talking with the
operator is akin to communicating with the port, thus you 'browsing the
page' and not just checking to see if the port is open.


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