You could also require email confirmation and block the disposable providers (http://www.ghacks.net/2012/05/31/the-ultimate-disposable-email-provider-list-2012/).
On 7/17/13 1:28 PM, Sahar Massachi wrote: > Seconding Florian. > > You could try finding lists of free proxy servers and preventatively > block them. You could set up a rule that looks for many votes coming in > either all at once or once every X seconds. > You could try requiring cookies and captchas. > > But all of these methods can be circumvented, even by bored compsci majors. > > Requiring an identity token from an provider like facebook, twitter, etc > really seems to be your best bet. > > On Wed, Jul 17, 2013 at 4:14 PM, Florian Weimer <[email protected] > <mailto:[email protected]>> wrote: > > * Buddhadeb Halder: > > > However it looks some people are misusing the online voting > system. Could > > you please let me know how to prevent such proxy voting? > > I think proxy voting is a technical term with a totally different > meaning (a proxy is someone who casts a vote on behalf of someone who > is absent but otherwise eligible for voting; this may come with or > without a mandate to vote in a particular way). > > One way to avoid double-voting is to associate each vote with an > identity from an identity provider such as Facebook. This may not be > what you want, though. > > Secure online voting is really quite hard, particularly if you want > anonymity, secrecy, resistance to coercion, prevention of > double-voting, and an audit trail. > -- > Too many emails? Unsubscribe, change to digest, or change password > by emailing moderator at [email protected] > <mailto:[email protected]> or changing your settings at > https://mailman.stanford.edu/mailman/listinfo/liberationtech > > > > > -- > Sahar Massachi > > c: (585) 313-6649 > t: twitter.com/sayhar <http://twitter.com/sayhar> > w: saharmassachi.com <http://saharmassachi.com/> > > > -- > Too many emails? Unsubscribe, change to digest, or change password by > emailing moderator at [email protected] or changing your settings at > https://mailman.stanford.edu/mailman/listinfo/liberationtech > -- Too many emails? Unsubscribe, change to digest, or change password by emailing moderator at [email protected] or changing your settings at https://mailman.stanford.edu/mailman/listinfo/liberationtech
