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Site Surveys: An Introduction PersonalTelco- Play Date VIII June 4th, 2005 Matthew West
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What is a site/node? Usually consists of: 802.11x Radio Transceiver(s) Antenna(e) Network Connection Can include: Authorization (nocatauth) Splash Page (nocatsplash) Server (http, ftp, smtp, ssh, telnet, etc.) Content (music, movies, etc.)
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What is a site survey? Usually includes: Visual map of location Where the wireless “cloud” exists Type of wireless signal (a, b, g, etc) SSID/WEP of wireless signal Time/date of survey Can include: Strength of signal GPS Coordinates Photo of/from location
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Basic Site Survey Example
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Basic Site Survey - Driving
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Complex Site Survey
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Hardware Tools for Surveying Optimal Laptop with 802.x capability External directional antenna GPS Receiver Car Acceptable Laptop with built-in antenna /omni antenna PDA Keychain with display Bike or on foot
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Software Tools for Surveying (sniffers, stumblers, etc.) Linux Kismet APRadar THCWardrive Windows Netstumbler Mac OS X MacStumbler Kismac PDA: NetChaser (Palm) PocketWarrior (PPC) Kismac Screenshot
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Before your survey… Web Tools Wigle NodeDB Online maps (satellite, aerial photo, topo, etc.) Portlandmaps.com
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The Way of the Warrior Wardriving Use your device and software to drive around and collect data about sites and locations of sites to compile a large site survey Warbiking Wardriving on a bike Single site survey Less complicated Usually done manually on foot Plot wireless cloud by hand Not as much need for GPS and logging Take photos of site
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What info do you get from a survey? SSID (name) IP Address Signal Strength Channel Noise Ratio WEP Status GPS Coordinates Kismet Screenshot
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More to think about… Survey outcome depends on what you use to do the survey PDA vs. big antenna Sites are dynamic Which 802.x? WEP? Combine 802.x data with GPS data Post it!
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Thank You! Find this presentation online: http://www.manifex.net/technology
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