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litespeed_wiki:config:recaptcha [2019/06/14 20:29]
Lisa Clarke [Advanced Configuration: Define reCAPTCHA Actions Through Rewrite Rules]
litespeed_wiki:config:recaptcha [2019/07/08 18:34]
qtwrk
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 When a visitor accesses the website , they will need to go though reCAPTCHA validation to protect against a DDoS attack such as HTTP Flood. When a visitor accesses the website , they will need to go though reCAPTCHA validation to protect against a DDoS attack such as HTTP Flood.
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 +Once visitor successfully passed reCAPTCHA, there will be about 20 minutes of white-list time, which means if this user continues browser the site, it won't hit reCATPCHA again for better user experience, unless visitor has been inactive for more than 20 minutes since last request.
  
 {{:​litespeed_wiki:​config:​recaptcha3.jpg|}} {{:​litespeed_wiki:​config:​recaptcha3.jpg|}}
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 Active connections * 100 / **Max Connections** > (100 - **Trigger Sensitivity**) Active connections * 100 / **Max Connections** > (100 - **Trigger Sensitivity**)
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 +For example you have max connection set to 1000 , and trigger sensitivity to 20, and currently you have 900 connection , so in that case
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 +900*100/​1000 > 100 - 20
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 +90 > 80 
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 +so the incoming connection will get reCAPTCHA test.
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 +and calculates backward , you will see that when connection is under 800, user won't hit reCAPTCHA test.
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 ===== reCAPTCHA Returning 403 and Dropping Connection ===== ===== reCAPTCHA Returning 403 and Dropping Connection =====
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  • Last modified: 2019/08/14 11:44
  • by qtwrk