Anti-Spam

Anti-Spam @2015-11-24 RubyTue

Transcript

1. ANTI SPAM
   @JIANSHU.COM
   Created by /
   Larry Zhao @larryzhao
   

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2. SPAM IS HARMFUL
   Users will see bad contents.
   It puts stress on your application.
   Data explosion.
   Downgraded by Search Engines.
   

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3. TYPES
   SEO
   Marketing
   Fraud
   

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4. DEFENSE
   1. Captcha & Authentication
   2. Frequency Control
   3. Business Limits
   4. Content Filtering + Pattern Recognition
   5. Behaviour Detection
   6. Human Labour
   7. Ban User and delete user
   

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5. CAPTCHA &
   AUTHENTICATION
   Image Captcha
   API signature
   Geetest.com
   

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6. FREQUENCY CONTROL
   Redis Lock
   

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7. BUSINESS LIMITS
   Bind mobile to publish articles
   First day of registration can only publish 100 articles
   Every hour can only publish 50 articles
   

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8. CONTENT FILTERING
   Regex + Keywords + Domains
   Delayed check
   

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9. BEHAVIOUR DETECTION
   Frequent publishes in a short period after registration
   Similar content
   

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10. HUMAN LABOUR
    Regular Email
    Slack/Pubu.im
    

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11. BAN + DELETE
    Restore
    

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12. SYSTEM REQUIREMENTS
    Automation
    Configurable
    

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13. ENDLESS WAR...
    

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14. FAQ
    

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15. THANK YOU!
    

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