full-disclosure - scanning

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Date: Fri Jun  2 13:11:32 2006
From: fd at g-0.org (GroundZero Security)
Subject: scanning

>Blacklist all .br/.kr/.jp/.cn IPs on your firewall already is what I say.
That would work for your home computer, but on a business server 
not a very bright idea.

> >Is it illegal if I perform a vulnerability scan on a site without
> >permission from the owner? How about a simple port scan? thanks..

As far as i know (and i'm very sure about that), vulnerability scans are
illegal in most countries, at least in those that have computer laws.
Especially if you use something like CoreImpact or Canvas, since
they actively exploit a vulnerability, resulting in illegal access to the System.

A simple port scan however, is most likely not illegal, since all it does is see what
public services a server may offer. I never heard of a single case where
someone got sued for a simple port scan.

-sk
http://www.groundzero-security.com