As I mentioned in my original post, if the visitor is behind a firewall, the firewall only gives one IP address which might be for several users behind that firewall.. It's problematic.
--- In [email protected], Javier <[EMAIL PROTECTED]> wrote: > > Hi, > > Can this be done by getting the IP address visiting your site. > Storing it on a db. > And every time a user submits an entry you go thru your db to see if this ip address has made a submission in the past. > > > Thanks, > Javier > > ----- Original Message ---- > From: Gordon Stewart <[EMAIL PROTECTED]> > To: [email protected] > Sent: Friday, November 3, 2006 3:11:15 PM > Subject: Re: [php-list] Preventing more than one 'sweepstakes entry' > > > > > > > > > > > > > > On 11/4/06, Marian Briones <[EMAIL PROTECTED] .com> wrote: > > > And today's task is... > > > > > > I"m doing a site that allows everyone one free sweepstakes entry. How > > > can I control that? I thought of using the env variable that has the > > > IP address but if there are multiple users behind a firewall, that > > > would prevent more than one person behind that firewall from entering. > > > Suggestions? Gotta get this done.... > > > > You could do an email confirmation thing.. > > > > IE the "sweepstakes" emails the person, & if they click on the link - > > its confirmed. > > > > However, it doesnt preventpeople from having multiple email addresses. > > > > -- > > G > > NZ community groups - [EMAIL PROTECTED] com > > NZ-Website space offered. > > > > > > > > > > > > > <!-- > > #ygrp-mlmsg {font-size:13px;font-family:arial,helvetica,clean,sans-serif;} > #ygrp-mlmsg table {font-size:inherit;font:100%;} > #ygrp-mlmsg select, input, textarea {font:99% arial,helvetica,clean,sans-serif;} > #ygrp-mlmsg pre, code {font:115% monospace;} > #ygrp-mlmsg * {line-height:1.22em;} > #ygrp-text{ > font-family:Georgia; > } > #ygrp-text p{ > margin:0 0 1em 0; > } > #ygrp-tpmsgs{ > font-family:Arial; > clear:both; > } > #ygrp-vitnav{ > padding-top:10px; > font-family:Verdana; > font-size:77%; > margin:0; > } > #ygrp-vitnav a{ > padding:0 1px; > } > #ygrp-actbar{ > clear:both; > margin:25px 0; > white-space:nowrap; > color:#666; > text-align:right; > } > #ygrp-actbar .left{ > float:left; > white-space:nowrap; > } > .bld{font-weight:bold;} > #ygrp-grft{ > font-family:Verdana; > font-size:77%; > padding:15px 0; > } > #ygrp-ft{ > font-family:verdana; > font-size:77%; > border-top:1px solid #666; > padding:5px 0; > } > #ygrp-mlmsg #logo{ > padding-bottom:10px; > } > > #ygrp-vital{ > background-color:#e0ecee; > margin-bottom:20px; > padding:2px 0 8px 8px; > } > #ygrp-vital #vithd{ > font-size:77%; > font-family:Verdana; > font-weight:bold; > color:#333; > text-transform:uppercase; > } > #ygrp-vital ul{ > padding:0; > margin:2px 0; > } > #ygrp-vital ul li{ > list-style-type:none; > clear:both; > border:1px solid #e0ecee; > } > #ygrp-vital ul li .ct{ > font-weight:bold; > color:#ff7900; > float:right; > width:2em; > text-align:right; > padding-right:.5em; > } > #ygrp-vital ul li .cat{ > font-weight:bold; > } > #ygrp-vital a { > text-decoration:none; > } > > #ygrp-vital a:hover{ > text-decoration:underline; > } > > #ygrp-sponsor #hd{ > color:#999; > font-size:77%; > } > #ygrp-sponsor #ov{ > padding:6px 13px; > background-color:#e0ecee; > margin-bottom:20px; > } > #ygrp-sponsor #ov ul{ > padding:0 0 0 8px; > margin:0; > } > #ygrp-sponsor #ov li{ > list-style-type:square; > padding:6px 0; > font-size:77%; > } > #ygrp-sponsor #ov li a{ > text-decoration:none; > font-size:130%; > } > #ygrp-sponsor #nc { > background-color:#eee; > margin-bottom:20px; > padding:0 8px; > } > #ygrp-sponsor .ad{ > padding:8px 0; > } > #ygrp-sponsor .ad #hd1{ > font-family:Arial; > font-weight:bold; > color:#628c2a; > font-size:100%; > line-height:122%; > } > #ygrp-sponsor .ad a{ > text-decoration:none; > } > #ygrp-sponsor .ad a:hover{ > text-decoration:underline; > } > #ygrp-sponsor .ad p{ > margin:0; > } > o {font-size:0;} > .MsoNormal { > margin:0 0 0 0; > } > #ygrp-text tt{ > font-size:120%; > } > blockquote{margin:0 0 0 4px;} > .replbq {margin:4;} > --> > > > > > > > > > > [Non-text portions of this message have been removed] > Community email addresses: Post message: [email protected] Subscribe: [EMAIL PROTECTED] Unsubscribe: [EMAIL PROTECTED] List owner: [EMAIL PROTECTED] Shortcut URL to this page: http://groups.yahoo.com/group/php-list Yahoo! Groups Links <*> To visit your group on the web, go to: http://groups.yahoo.com/group/php-list/ <*> Your email settings: Individual Email | Traditional <*> To change settings online go to: http://groups.yahoo.com/group/php-list/join (Yahoo! ID required) <*> To change settings via email: mailto:[EMAIL PROTECTED] mailto:[EMAIL PROTECTED] <*> To unsubscribe from this group, send an email to: [EMAIL PROTECTED] <*> Your use of Yahoo! Groups is subject to: http://docs.yahoo.com/info/terms/
