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Re: Wired captive portal pen-test
From: Roman Medina-Heigl Hernandez <roman () rs-labs com>
Date: Thu, 17 Jul 2008 00:44:06 +0200

JosŽé M. Palazón Romero escribió:
Anyway, I still think they are probably not filtering at layer 2.

They are (I think). I had a look to some public computer at the hotel and I saw its IP. It was in the same subnet used by room's port. Nevertheless, when I launched a MAC scan with Cain from the room's RJ45, only the router responded. The public computer was, of course, always powered on. Definitely, a good hotspot will be using L2 filtering (so one customer cannot attack other customers or other hosts in the subnet).



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