IP protection |
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This security add in will protect our form against multiple submissions by recording the IP of the respondent and not allow him to fill the form a second time after he submits his answers.
If you respondent are behind firewalls or proxies some respondents might have the same IP address. FeedbackServer does it best to get the real IP but depending on the mode activated on the firewalls or proxies it is sometime not possible to get a unique IP per respondent.