calabiyau Posted February 17, 2007 Share Posted February 17, 2007 I have an online survey where user fills out the survey and then results are tabulated and displayed to them based on their score from the survey. I want the person to be able to go back and fill it out as many times as they wish, but want to limit having the results emailed to client to the first three tries, to prevent some kind of automated spam flooding attack. Will setting and then checking a session variable that increments by one each time the person fills out the survey accomplish this, or do bots have ways to work around sessions? Is there a better way to do this without using a database? Link to comment https://forums.phpfreaks.com/topic/38898-can-a-session-stop-a-bot-from-form-flooding/ Share on other sites More sharing options...
hvle Posted February 17, 2007 Share Posted February 17, 2007 The best way to shield from bot is implement something that only human can do. Image verification is excellent example. Link to comment https://forums.phpfreaks.com/topic/38898-can-a-session-stop-a-bot-from-form-flooding/#findComment-187061 Share on other sites More sharing options...
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