Before using the HTTPS protection feature in Alibaba Cloud WAF, you must upload the server certificate and private key beforehand.

After a customer uses Alibaba Cloud Anti-DDoS Premium Service, a 502 error is prompted. Which of the followings are the possible causes of the error? (Number of correct answers 3)

The protection rules of Alibaba Cloud WAF are updated in real time after a user makes changes in WAF configuration page.

Alibaba Cloud Security Center is consisted of light-weight Agents and cloud engine to provide functions such as webshell scanning and removal, day vulnerability repair, security baseline inspection, and host access control, to protect the server security. Which of the following processes is NOT included in Security Center Agent?

Alibaba Cloud WAF is a security protection product based on Alibaba Group's web security defense experience accumulated over more than a decade By defending against common OWASP attacks, providing patches to fix vulnerabilities, and allowing users to customize protection policies for website services, WAF can successfully safeguard the security and availability of websites and web applications. Which of the following types of security configurations does WAF provide? (Number of correct answers 3)