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I wanna know how can I recognize a returning user on my website (Java, PHP, Coldfusion…) if he’s using a dynamic IP.
Why? A lot of users of my web application use iPhone (with 3G networking) for accessing. IP changes each time, so I always see them as “new” users.
I know it’s unlikely to track MAC address in web pages but…. what solutions are there for such a common problem?
Maybe a suitable iPhone app? 😉
It’s not quite possible to find original requesting machine’s MAC address. You should use Cookies to track users.
You can find more info about MAC Addresses here.