How To Build an Open Source Wi-Fi HotSpot with DD-WRT http://www.smallnetbuilder.com/wireless/wireless-howto/30150-how-to-build-an-open-source-wi-fi-hotspot-with-dd-wrt open source , WiFi , How To THURSDAY, 06 SEPTEMBER 2007 11:23 ERIC GEIER SHARE 4 {mospagebreak toctitle= Introduction, Alternative Firmware, Projects} Introduction Figure 1: Students using a Wi-Fi hotspot. If you've ever tried to set up a Wi-Fi HotSpot, you may have already discovered that you need more than a broadband Internet connection and wireless router or access point. Off-the-shelf routers and APs don't provide the "captive portal" function needed to either authenticate users or just let them know who to thank for their free connection. Nor do they usually provide other features such as billing support, bandwidth limiting and user isolation. To obtain hotspot-specific features and capabilities, you must use a device commonly referred to as a hotspot gateway . If you have already figured out th
