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SAN FRANCISCO — Coffee shop Web surfers beware: An evil twin may be lurking near your favorite wireless hotspot.Thieves are using wireless devices to impersonate legitimate Internet access points to steal credit card numbers and other personal information, security experts warn.So-called evil-twin attacks don’t require technical expertise. Anyone armed with a wireless laptop and software widely available on the Internet can broadcast a radio signal that overpowers the hot spot. Read More »

Temporary files in /tmp get cleaned up by Linux housekeeping automatically. Temporary files stored elsewhere don’t unless you’re using a Nerd Vittles build of TrixBox with either the VMware edition of nv-trixbox for Windows or PBX-in-a-Flash for Linux. The weather scripts store .wav files with your requested weather forecasts in /var/lib/asterisk/sounds/tts. So, from time to time, these temporary files need to be cleaned out. Read More »

Your Asterisk Dialplan needs to be modified to support the Wi-Fi HotSpot Finder application. If you’re running TrixBox, point your web browser at your Asterisk server. Then choose System Administration->Config Edit and choose extensions_trixbox.conf from the file listing. Read More »

The Asterisk WiFi HotSpot Finder is designed to retrieve name and address information for commercial, free, or all Wi-Fi Hot Spots for any zip code in the United States. Simply dial W-I-F-I and key in a zip code using any touchtone phone connected to your Asterisk PBX, and the data will be retrieved from 4INFO.net’s WAP service and played back over your phone using the Flite text-to-speech engine.

As with most Nerd Vittles’ applications, this code is provided as an educational tool and is licensed for personal, non-commercial use.

Starbucks is shredding its deal in place since 2001, originally with MobileStar then T-Mobile, to switch to AT&T as their Wi-Fi provider. That moves 7,000 locations from T-Mobile’s ledgers of nearly 9,000 to AT&T’s. It turns AT&T from “McDonald’s plus,” with a relatively small footprint of other locations, to a 17,000-location giant. Read More »

You may want to think twice before logging into a public wireless hotspot. Sure, grabbing a few minutes of connectivity is convenient, but identity thieves are discovering that, through “evil twin” attacks, hotspots are a great way to steal unsuspecting users’ private information.So how does an evil twin attack work? Let’s say that I’m a hacker. Read More »

YOU know what would be so cool? A portable Wi-Fi hot spot. Whenever you wanted Internet access, you wouldn’t have to hunt for a wireless coffee shop or pay $24 a night to your hotel.Instead, you’d travel with a little box. Plug it into a power outlet — or even your car’s cigarette lighter — and boom, you and everyone within 200 feet could get onto the Internet at high speed, without wires.Actually, such boxes exist. They come from companies like Kyocera, Junxion and Top Global, and they’re every bit as awesome as they sound. (Unfortunately, the category is so new that it has no agreed-upon name. “Portable hot spot” is descriptive but unwieldy. “Cellular gateway” is a bit cryptic. Read More »

The magazine rounds up items like the Nabaztag from Violet, the Wi-Fi pen, and a Wi-Fi detecting T-shirt and watch. I suppose these are more “ways to spend your cash that aren’t truly useful, even though they might be fun.” They also include the Eye-Fi, eStarling’s picture frame, and a Wi-Fi-enabled remote control from Acoustic Research that are all a bit more practical—still about entertainment, but they actually do something.