ACA-Operator Exam Dumps | When using Alibaba Cloud CDN, a visitor's request will first be routed to a CDN edge node, and in the

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Question 14/22

When using Alibaba Cloud CDN, a visitor's request will first be routed to a CDN edge node, and in the event of a cache miss at this edge node, the node will fetch data from the origin site (back-to-source request). Even with this redirection, it is possible for the origin site to see the visitor's real IP address. Which of the following statements about obtaining the visitor's real IP address are correct? (Number of correct answers: 2)

A. visitor's real IP address can only be obtained by modifying the site or web application.

B. You can activate the "record visitor's real IP" function in the Alibaba Cloud CDN console, then you can directly view visitor's IP addresses from the Alibaba Cloud CDN access logs.

C. visitor's real IP address is stored in the "X-Forwarded-For" HTTP header. It can be directly obtained via Apache or NGINX logs.

D. In Windows, if IIS is used, after installing the "F5XForwardedFor" extension module, the visitor's real IP address can be seen via IIS logs.

Question 14/22

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