[phpesp-dev] [ phpesp-Feature Requests-902808 ] Stop multiple admissions from same IP

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Feature Requests item #902808, was opened at 2004-02-24 03:42
Message generated for change (Comment added) made by angek
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Category: None
Group: None
Status: Open
Priority: 5
Submitted By: Jeff (skrysakj)
Assigned to: Nobody/Anonymous (nobody)
Summary: Stop multiple admissions from same IP

Initial Comment:
For public surveys, have an option whereby the same person from 
the same IP address cannot submit more than once. This is NOT a 
perfect solution for a common problem, but having the option may 
be nice. 

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>Comment By: Kon Angelopoulos (angek)
Date: 2004-05-10 16:42

Message:
Logged In: YES 
user_id=198398

What would happen in the case that the user connects to 
the survey via a proxy? the ip that would be captured would 
be of the proxy and ends up creating problems eg. having 
blocked access to the survey for all others using the same 
proxy (eg from the same organisation etc).
How about a snippet of code that disbales the submit button 
once the survey has been submitted. I know this isn't the 
best solution either as people can click the back button on 
their browser several times and keep reposting the results 
however it should suffice for the average user and in fact I 
have this implemented on my system and have had very few 
problems with multiple submissions.

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Comment By: portrower8 (portrower8)
Date: 2004-04-30 14:51

Message:
Logged In: YES 
user_id=1032335

What about asking respondants for last four digits of their 
social...or their name or something... ?

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