Hi!
I wonder how i can retrive the MAC-address of the visitor using PHP?
What i am thinking about is using the MAC-address instead of the IP-address to ban troublesome users from forums etc.
If i just use the IP-address some users will just change it. I know that it´s possibly to spoof the MAC address but it´s much harder than just changing the IP-address.
Do you think that there is a big speed penalty by using the MAC-address? I could just use it when the users first arrives to the site. Then he/she could be logged in using a session the rest of his visit. I could also store the MAC-address of the user in encoded form in a cookie so that i won´t have to retrive the MAC-address "the hard way" on every visit.
Comments and tips would be greatly appreciated!
Yours supersinerely, Yngve
You can get it only if the visitor is from your LAN. Execute arp program if that's true.
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