You could do a few things here.
I would not banned people from signing up again if the ipaddress is in the database.
You could make it so no email could be in the database more than once.
What I did before was:
if a user's ipaddress matches an ipaddress in the database I have the script email me to investigate, then I can decide and delete accordingly.
You could do the same thing for similar email addresses, similar cities etc depending on paranoid you are about it.
Using Ipaddress is a bad idea because ISP recycle ipaddresses all the time.
Randy
Jacques wrote:
How can I ensure that a user is prevented from creating a second profile after he has registered a second time with different registration details?
I thought of capturing his IP Address and checking this value against my users table in my database where I have captured IP Addresses of users who have previously registered.
Jacques
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