Which of the following features are available in Alibaba Cloud Anti-DDoS Premium product? (Number of correct answers: 3)
If you activate Alibaba Cloud Security Center on an ECS Linux instance and change the default SSH port (22) to another port, you will no longer receive SMS or email notification related to brute force password cracking
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?
Which of the following configurations is NOT a feature provided by Alibaba Cloud Web Application Firewall product?
When a Layer-4 forwarding rule is configured with multiple origin site IP addresses, Alibaba Cloud Anti-ODoS Premium Service will perform load balancing for Layer-4 requests using balancing algorithm
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?
Users can detach the Security Center client on Alibaba Cloud ECS instances, and reinstall it later when necessary.
When you receive a security alert from Alibaba Cloud Security Center, which of the following actions should you do?
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)