Firewall Wizards mailing list archives

RE: Interlopers on the WLAN


From: "Frank O'Dwyer" <fod () brd ie>
Date: 06 Nov 2002 08:42:59 +0000

Ultimately it's going to be up to the judge I guess, but I'm just saying
how I think the law ought to interpret it. Bear in mind that there are
many open WLAN points out there which really are intended for use by
anyone, and not just the obvious ones you describe below. This sort of
thing may even grow organically to form WLAN internets - that's even
likely, as it makes great economic sense. 

So if you set your network up in the same sort of configuration, without
even a rudimentary attempt to restrict access, no clue that the network
is private, and route every packet thrown at you, then how on earth is
anyone supposed to know what you intended. Basically, it's unreasonable
to expect people to read your mind. 

It's a bit like the company sets up a web site with a routable IP and
public DNS records, allows it to appear on google, and then turns round
and says "hey you! what are you doing on our intranet???!!" 

Or it's like painting your bicycle white and leaving it unlocked in a
town where it is commonly understood that white bicycles are provided
for use by anyone.

Cheers,
Frank

On Wed, 2002-11-06 at 03:39, Bill Royds wrote:
Last weekend, I and other members of Whitehats.ca went to a local pub. When we arrived there there were little cards 
on each table that this pub has wireless Ethernet available. Nice pub touch since it was just a block from the Cognos 
head office. 

I think, that is the only real invitation to use a wireless LAN. 
Using one just because it is there is the same as going into someone's office and plugging into the RJ45 connection 
in the wall.  It wouldn't make you too popular with the corporate LAN administration so why should connecting to open 
wireless mean anything different.

-----Original Message-----
From: firewall-wizards-admin () honor icsalabs com
[mailto:firewall-wizards-admin () honor icsalabs com]On Behalf Of Frank
O'Dwyer
Sent: Tue November 05 2002 18:29
To: pjklist () ekahuna com
Cc: firewall-wizards () honor icsalabs com
Subject: Re: [fw-wiz] Interlopers on the WLAN


I think it ought to make a difference if an attempt has been made to
secure the network. Otherwise you are expecting people to read your mind
as to whether you intend the network to be private or not. For all its
faults, WEP is at least a fairly large clue that the network is intended
to be private.

But if you haven't even turned WEP on, then who's to say whether your
network is supposed to be for employees only, or an access hotspot for
anyone who passes by. It's not like you left your door unlocked or
something, it's more like you hung a big orange sign on your door saying
"welcome!". The very fact that you're broadcasting the ESSID with no
security measures whatsoever could be reasonably construed as a public
invitation to connect.

Similarly if you had a publicly accessible system which popped up
"welcome to the foo system" and logged you straight in with no password,
(rather than "this system is private property and unauthorised access is
not permitted", followed by a login prompt) then you would (and should)
have a tough time pressing charges against anyone who connected.

Cheers,
Frank

On Tue, 2002-11-05 at 08:23, Philip J. Koenig wrote:
Please forgive if this has been covered before, I'm not reading the 
group daily these days.

Is it reasonable to assume that those who access WLANs without the 
permission of the owner are violating the same cybercrime laws that 
apply to any unauthorized access of a computer network?

Some have recently argued this is not the case if someone doesn't 
"enable the security features", but personally I don't see the 
distinction between this kind of activity and anything normally 
prohibited by laws such as California Penal Code section 502a and 
various other cybercrime laws.  It doesn't seem to me that the law 
makes a distinction about whether the network in question was secured 
or not. (what does 'secured' mean anyway?)



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