Alibaba Cloud WAF cannot protect against large traffic DDoS attacks which can be solved by Alibaba Cloud Ant-DDoS Service.

When users log on to ECS instances through SSH or remote desktop from public Internet, Alibaba Cloud Security Center will monitor the log on behaviors If an IP address uses incorrect password to log on to an ECS instance for too many times, an alert "ECS instance suffers brute force password cracking" will be prompted If you receive this alert, which of the following is the safest way to handle this alert?

User A is the system administrator of a company, who often takes business trips to Shanghai Each time when he remotely logs on to the Shanghai an alert is reported, prompting "Someone is remotely logging on to the server Please pay attention to your server security" Which of the following methods can be used to quickly and automatically resolve this issue?

Anti-DDoS Premium Service is a value-added service intended to address the problem of service interruption caused by DDoS attack to servers including non-Alibaba Cloud hosts) Users can configure a protected IP address so that the attack traffic can be redirected to this IP address, thereby ensuring the stability and reliability of the origin site. When a user configures Anti-DDoS Premium Service and imports an HTTPS certificate, the system prompts an "incorrect parameter format" error Which of the following is NOT the reason of this error?

Alibaba Cloud Data Risk Control utilizes Alibaba Group's Big Data computing capabilities and industry-leading, risk decision making engine to address fraud threats in key service processes (such as account log on, online activity, payment) and avoid financial loss Which of the following is NOT an application scenario of Data Risk Control?