I want that when somebody connects to my WiFi network, the user should be redirected to a website, where he either needs to sign up or login(if already registered). He can only use the WiFi after successful login.
I see such networks in most of the restaurants and hotels, does any one know how to create one like that?
Thank you.
What you're looking for is called a captive portal. There are many free and open source versions (such as WifiDog, NoCatAuth, CoovaChilli) as well as some for-pay versions (Antamedia Hotspot, FirstSpot). You can also get some equipment (especially wireless LAN controllers) that have built-in captive portals (Netgear, Aruba, Cisco). You can also find instructions online for designing and building your own custom portal like this page.