full-disclosure - Wireless ISP DNS

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From: Bart.Lansing at kohls.com (Bart.Lansing@...ls.com)
Subject: Wireless ISP DNS

Dan,

I don't know if we've progressed beyond hemlock...but we should have 
progressed to MAC filtering, rotating WEP keys, VLANing/IPSECing/VPNing 
traffic...and maybe even to things like using certificates issued to 
wireless devices AND servers to validate them as well.  Nothing is 
foolproof, but there are a lot more layers out there than simple IP 
filtering.  Of course, as always, it is the repsonsibility of those who 
are vulnerable to make themselves less so...but it's not quite as bleak a 
landscape as you paint it to be.

Cheers

Bart Lansing
Manager, Desktop Services
Kohl's IT

full-disclosure-admin@...ts.netsys.com wrote on 05/28/2004 12:18:42 PM:

> I'm not going to explain the details of networking, I
> assume if people subscribe they have a base knowledge.
> 
> Exploit: 
> 
> Wireless networking is simple to sp00f IPs and it
> would be trivial to setup a DNS server on a laptop
> then sp00f the IP to match that of the ISPs DNS server
> and cause a wee bit of misdirection for the network.
> 
> Update Re my wireless "crusade" : I have garnered the
> attention of the Illinois States Atty Generals office.
> We shall see if people with knowledge are locked up
> instead of given hemlock these days, or does anyone
> think we have progressed beyond that?
> 
> Dan Becker
> 
> 
> 
> 
> 
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