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  1. RobinBad
  2. Pres-sale questions about Item rating
  3. Wednesday, August 29 2018
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Hello. I'd like to know if it's possible to prevent multiple vote based on Joomla user id, assuming that voting is allowed only for registered users). It seems that all the others kinds of limits are not satisfactory for my purpose (I mean user IP, cookies, user group etc. I have to strictly limit one user to vote only once.

On one hand limits based on the user IP make throuble for those who use the same local network behind the NAT, while on the other hand voting can be defrauded with proxies. Cookies can easily be deleted. It seems that the only way to protect from multiple voting is to store user ID in database and then check it every time somebody votes. So I'd like to know if it's possible with your extension.
Responses (1)
Accepted AnswerPending Moderation
Hi,

Thanks for contacting us here about this extension.
if it's possible to prevent multiple vote based on Joomla user id, assuming that voting is allowed only for registered users). It seems that all the others kinds of limits are not satisfactory for my purpose (I mean user IP, cookies, user group etc. I have to strictly limit one user to vote only once.

Yes, you can set that in backend.
On one hand limits based on the user IP make throuble for those who use the same local network behind the NAT, while on the other hand voting can be defrauded with proxies. Cookies can easily be deleted. It seems that the only way to protect from multiple voting is to store user ID in database and then check it every time somebody votes.

User ID is always set in database.

Hope it helps!
Cheers,
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