setting MAC adress instead of IP for a user
It will be cool if we can add a MAC adress to a user instead of an IP. It will be usefull for 3 things:
* because when the client has a dynamic IP, i don't want to add lots of IP and I don't want to add *@* (security reason). I have an ADSL and a cable connection. With the ADSL the first two numbers are not every connection the same (even the first number).
* for security, because IP Spoofing can't be used
* it takes a little less time to check MAC (MAC is on layer 2 of ISO model and IP is on layer 3) and banning a MAC is more efficient to ban someone when he has a dynamical IP connection.
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