beww at beww.org
Thu Jan 25 03:19:00 UTC 2007
On Jan 24, 2007, at 8:10 PM, Stroller wrote:
> As Mr Dunn said, you have the neighbour's AP in the middle. Although
> wireless seems complicated the SSID & encryption key are only needed
> to "get on" to the network (channel should be done automatically);
> once you have configured those the wireless card can be treated just
> like a regular network interface and the AP just acts the same as an
> ethernet hub - you can ping, ssh and browse by IP address to any
> other computer connected to it.
>> I also wonder about security concerns--I want to restrict access
>> to the box to her laptop alone, so maybe a VPN setup is in
>> order...but she's not a geek so it can't be too complicated!
> An SMB password would seem adequate.
You can restrict access to a wireless network with MAC address
filtering. Somebody would have to clone your MAC address which is
easy enough to do but they would first have to figure out what the
correct MAC address was, which wouldn't be too easy.
Wireless works pretty well (though slow) for TCP stuff but UDP is
another matter. For example NFS defaults to UDP and could be trouble
over a wireless link, but you can use TCP for NFS transport.
You can also use a "wireless bridge" which provides standard RJ-45
ethernet jacks so you don't have to worry about compatibility with
certain cards/chipsets. The problem, of course, is that they cost
more than just a wireless card, but if you have multiple devices they
can be cheaper in the long run.
But for just getting listings there shouldn't be a problem, just be
aware that there are significant differences between 802.11 and a
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