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On 11/22/07 1:55 PM, Christian Weisgerber wrote:
> David Newman <[EMAIL PROTECTED]> wrote:
> 
>>>> There is some layer-2 stuff that happens before layer-3 handshaking
>>>> begins -- 802.11 association and deassociation, possibly layer-2
>>>> learning, and 802.1X authentication if that's used. IPSec will not and
>>>> cannot secure any of this.
>>> Is there any need to secure that? In my local WLAN, you only have two
>>> ways of proceeding if you want internet access: a Tor router, or
>>> IPsec. 
>> Before either of those processes begin, I can associate like crazy to
>> your access point. That would ensure you never get Internet access, even
>> without my flinging a single IP packet at you.
> 
> Duh.  It's a *radio* network.  Of course it can be DoS-ed.  WEP
> doesn't change that.  In fact, popular attacks against WEP generate
> massive L2 traffic.
> 

Yes. WPA is somewhat better (in that the better controller-based systems
have rate controls). Other than being better than nothing on really old
hardware, WEP is worthless.

dn
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