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Possible Duplicate:
How can I prevent spam on sites which I control?

Specifically trying to combat things like this! http://www.autopliggdotcom (didnt want to give them a link!)

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marked as duplicate by toomanyairmiles, Christofian Aug 19 '12 at 20:23

This question has been asked before and already has an answer. If those answers do not fully address your question, please ask a new question.

    
@toomanyairmiles you can't apply advices from that question to pligg. –  c69 Apr 7 '12 at 15:19
    
I had 2 sites with pligg and shut them down because of spam. Even with a ReCaptcha... –  Osvaldo Apr 7 '12 at 21:19
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2 Answers 2

The problem with coming up with a solution is that if it is posted on the internet, autopligg will just find a way around it. To fight the spam I have had to hack Pligg and come up with custom methods to keeping spam at bay and even at that, spammers still find a way around my defenses. My suggestion to you is to keep up-to-date on the latest techniques in spam prevention and create a custom anti-spam system unique to your installation of Pligg. Then change it up every so often to keep the spammers guessing. Some of the techniques that I use are capcha, nonces, and akismet.

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The most effective way to stop spam sign ups with Pligg is to disable signups. Because, to be fair, I think, Pligg is just a flawed platform :/

But if you do have some financial returns from your pligg, then:

  • Akismet helps (to bounce off blatant unsophisticated spam),
  • unique custom registration helps (for a week or so),
  • requiring working facebook / twitter / g+ account helps,
  • moderation helps.
  • text captcha is almost useless.
  • non-conventional captchas confuse normal users more that spammers.
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