Need some help stopping multiple signups.. php/mssql


Murali Ravipudi
HOME ยป Databases

It's been a couple years now since I've worked on website on a daily basic.. I thought you could never really forget how to program, but I am running a small project now and I am moreless confused on how to fix an issue..
I have a simple signup page requesting a username, password, password2 and email. I currently check only to see if the username exists and show an error if it does.
What I need to do is to also added new hidden fields for IP, calling $_SERVER['REMOTE_ADDR'] which I can do. I basically need a way to check to make sure accounts can not be made from the same user. I know people can change their IP with software and still, in some cases the ip can be dynam

Related to : Need some help stopping multiple signups.. php/mssql
Need some help stopping multiple signups.. php/mssql
Databases

It's been a couple years now since I've worked on website on a daily basic.. I thought you could never really forget how to program, but I am running a small project now and I am moreless confused on how to fix an issue..
I have a simple signup page requesting a username, password, password2 and email. I currently check only to see if the username exists and show an error if it does.
What I need to do is to also added new hidden fields for IP, calling $_SERVER['REMOTE_ADDR'] which I can do. I basically need a way to check to make sure accounts can not be made from the same user. I know people can change their IP with software and still, in some cases the ip can be dynam
how do you prevent multiple signups?
Databases

hi all, long time lurker, first time poster. I have a situation which has me stumped.
I want to build an elance style freelance marketplace (focusing on a specifc niche). I need to prevent multiple signups so people cant just create a new account with a new email address if they get bad feedback or if they dont want to pay their fees etc. (Im not talking about preventing automated signups but about preventing someone creating a new account without good reason)
i realise Ill never be able to truly prevent multiple signups. elance bills a small amount to your credit card to confirm your identity, that system has its flaws (prepaid cards etc) but its good enough to
Disabling multiple signups
Databases

How can I make sure the user cant hit the back button after a payment has been processed?
My pages are set up like below
signup.php -> payment.php -> display
Multiple Signups , but same person?
Databases

Multiple Signups , but same person?
 
Hi Guys,
First of all sorry if i am posting in a wrong forum. We just got 4 signups from same Organisation, who is also a hosting company but with differenet names. Email IDs are same, but address and name provider are totally different.
We Checked their phone number in reverse phone lookup and checked their address. It all seems perfect, but as a Sales Manager, i am bit worried if they are signing up with multiple accounts to abuse our servers?
We are pretty confused whether to ask them or not, as they have surely read our TO


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