ARPMiner is a simple captive portal / hotspot software runs under Windows (Vista, Windows 7/8, 2008/2012 Server). Simple design and easy to use user interface, simple interface for user definitions and real time monitoring of connected users. ARPMiner consists of a GUI and a service application called TekSpot. TekSpot has built-in HTTP server and a proxy DNS server. Major features; Real time monitoring of connected users, RADIUS AAA support (Commercial editions only), WISPr 2.0 authentication and partial RADIUS dictionary support, Customizable HTTP interface and Performance monitoring through Windows Performance Monitor. RADIUS Accounting is supported in only SP edition.