help with ip lock location

[DataVampire]

i wanna be able to add protection to my web site with the fact that users that sign up on my site the ip adress are saved and they can not login any where else unless they are at there home's where they signed up on my web site how do i do this please help? :ermm:

[Johnny]

i dont think its possible to do. many people has IPs that change everytime they logon to the internet so its really hard to lock the person especially when that particular member is on 56k...

someone correct me if im wrong though.

[Zachery]

i wanna be able to add protection to my web site with the fact that users that sign up on my site the ip adress are saved and they can not login any where else unless they are at there home's where they signed up on my web site how do i do this please help? :ermm:
only a very few number of people have static ips these days, i only keep my ip for a week at the most.