nanog mailing list archives

Re: Port scanning legal


From: Alex Rubenstein <alex () nac net>
Date: Tue, 19 Dec 2000 14:06:04 -0500 (Eastern Standard Time)




On Tue, 19 Dec 2000, Shawn McMahon wrote:

How many ports must be scanned before you deem it an attack?  Is one port
enough?  Five?  50?

I don't deem a port scan as vicious or an attack.


If you pick a number here, is that arbitrary, or do you have a valid
logical (and legally-supportable) reason for the number?

No.


If one port is sufficient, then the act of typing an IP address into a
web browser to see if there's a web server listening is a crime.

Agreed, which is why I said the first.





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