security – patrick charles

Downtown Denver Wi-Fi Survey

2009/07/28 pchuck

On July 27th, we carried out a thorough scan of 802.11 networks in downtown Denver. A Columbus V-900 tracking device was used to log location and path, validating that all streets and alleys were traversed. Meanwhile, an iPhone 3G and Wififofum were used to detect and log detected networks, their location, and attributes. The area bounded by Speer Blvd to the SW, Broadway to the East, and 20th Avenue to the NE were covered. Total area traversed was approximately 1.4…

Comprehensive Wi-Fi Network Discovery

2009/07/20 pchuck

Introduction Since Pete Shipley first pioneered wardriving in the San Franciso-Bay area, many people have cataloged the locations of 802.11 networks around the world. I still remember the excitement, in the early days, driving the streets of downtown with a makeshift antenna, Orinoco ‘Gold’ card, and the soft glow of a Thinkpad 600x illuminating the passenger seat. You could often drive several miles before the faint signal of a distant access point would flicker across the screen. Much has changed…

java portscanner

1998/05/02 pchuck

net.ultrametrics.security.PortScanner is a command-line utility to scan for tcp services on a range of ports on a host or on a range of hosts. Usage Usage: PortScanner [OPTIONS] hostname [hostname2] optional parameters are: -l port# | –low port# low port number -h port# | –high port# high port number -t n | –threadlimit n spawn n threads -v | –verbose verbose output Concurrently scans, using at maximum the number of threads specified, for hosts between ‘hostname’ and ‘hostname2’ which…

patrick charles

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