Anti-Spam

Transcript

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

2. SPAM IS HARMFUL Users will see bad contents. It puts

   stress on your application. Data explosion. Downgraded by Search Engines.

3. TYPES SEO Marketing Fraud

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

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

6. FREQUENCY CONTROL Redis Lock

7. BUSINESS LIMITS Bind mobile to publish articles First day of

   registration can only publish 100 articles Every hour can only publish 50 articles

8. CONTENT FILTERING Regex + Keywords + Domains Delayed check

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

   Similar content

10. HUMAN LABOUR Regular Email Slack/Pubu.im

11. BAN + DELETE Restore

12. SYSTEM REQUIREMENTS Automation Configurable

13. ENDLESS WAR...

14. FAQ

15. THANK YOU!