I am the LAN/WAN/WLAN administrator for a division of a very large corporation. I just received a Dell Latitude D-600, which has a built-in Intel Pro Wireless 2200BG. We have quite a few D-600's and D-610's. Looking through the wireless security alerts on my switch, I noticed that there were a lot of man in the middle alerts. Looking further, some of the error were coming from my laptop and the laptop in the next cubicle. While troubleshooting my Intel driver, i see that Intel, by default, enables an Ad Hoc capacity in the card. Contacting Intel's tech support confirmed that, and I was told that there is no way to turn it off.
OK, now the question. Does anyone else worry about the lack of security the causes? I also have users that leave the wireless card enabled while plugged into the corporate wired LAN with these Ad Hoc networks beconing, compounding the problem. Has anyone else dealt with this? And lastly, how do you get management to realize how big a hole this is in the WLAN network. So far, all I've gotten was an "Oh well". My thought is to cancel any and all orders of these risky computer on my networks, make Dell aware of Intel's lack of concern and find a new vendor.
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