Only other thing I can think of is to check their IP.
-Original Message-
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]
Sent: Wednesday, May 23, 2007 8:18 AM
To: CF-Talk
Subject: Voting only once - how to enforce ???
I'm creating a voting application for a photo contest and the
Which means that you might be limiting multi-user PC's to one vote.
-Original Message-
From: Andy Matthews [mailto:[EMAIL PROTECTED]
Sent: Wednesday, May 23, 2007 9:25 AM
To: CF-Talk
Subject: RE: Voting only once - how to enforce ???
Only other thing I can think of is to check their IP
, May 23, 2007 9:25 AM
To: CF-Talk
Subject: RE: Voting only once - how to enforce ???
Only other thing I can think of is to check their IP.
-Original Message-
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]
Sent: Wednesday, May 23, 2007 8:18 AM
To: CF-Talk
Subject: Voting only once - how
On 5/23/07, [EMAIL PROTECTED] [EMAIL PROTECTED] wrote:
I'm creating a voting application for a photo contest and the non-technical
person running the show doesn't want voters to have to verify their email
address
before their vote is counted. Although this method isn't fool proof, it does
Web applications are stateless - if you want to check uniqueness of
visitors, you *must* implement something, whether it's cookies or email
address, or something else. Even these aren't enforceable enough for
stricter applications. The IP isn't enough - AOL's proxies use several
per individual,
On Wednesday 23 May 2007, [EMAIL PROTECTED] wrote:
Does anyone have any ideas on how to ensure that voters can only vote once
and not rely on cookies being enabled, deleted etc.
There was a thread on the newsgroup recently:
for the most part, it can't be done.
If you use cookies to restrict, people can delete their cookies.
If you restrict by IP address, people can go to another computer, and
multiple people can't vote from the same computer.
If you require authentication, people create multiple accounts
Now... if
We use a registration system to do voting. A valid email is required (and
verified) before they vote. This keeps the voting as honest as possible and
still requires a valid email (so yes, you could use multiple email addresses,
but that still requires the voter to have multiples - oh and good
This is what I do on my sites, and yet every now and then someone will create a
secondary account to vote again.
All depends on how important the vote is. If the issue is what's your favorite
color socks it's unlilely people will vote more than once (or even at all!).
Mik
restricting voting
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