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Re: how to get the mac address(network card physical address) of a remote computer by its IP address?

> when a user visit my website, it's easy to get the ip address of the
> user, but i think IP address is not as stable as mac address, so I
> hope I can get the mac address of the user according to its IP
> address, is it possible? thanks

No, it's not possible. Ethernet frames aren't routed on the internet.
You cannot even be sure that your users connect using Ethernet on their

Usually, HTTP-cookies are used as a solution for your problem.

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