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LAN and WLAN Sniffer. A program for low-level packets capturing and analyzing in real-time. Allows to capture all network traffic even in switched LAN. Sniffer supports parsing of following protocols: IP, TCP and many others.WLAN/Wi-Fi technology quick guide covers all major WLAN/Wi-Fi technologies: Wi-Fi architecture, protocols and standards, worldwide frequency bands and channels, security problems and solutions.