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'''VT-Wireless''' is available alongside VT_WLAN across the VT campus, usually from ceiling-mounted access points. It uses encryption and is therefore not vulnerable to [http://codebutler.com/firesheep eavesdropping] [http://www.wireshark.org/ on] [http://monkey.org/~dugsong/dsniff/ clients] and [http://www.cs.uit.no/~daniels/PingTunnel/ pre-authentication] [http://code.kryo.se/iodine/ tunneling], among [http://www.aircrack-ng.org/doku.php?id=aireplay-ng other] [http://hakshop.com/products/wifi-pineapple attacks] . Use of VT-Wireless over VT_WLAN is highly recommended for all users, but involves slightly more advanced setup. See [https[vtluug://vtluug.org/wiki/VT-Wireless |VT-Wireless at the VTLUUG Wiki]] for detailed information and instructions.