To deliver better user experience, Alibaba Cloud will adjust the basic DDoS mitigation policy for Elastic Compute Service (ECS) instances. The new policy comes into effect at 10:00:00 on September 20, 2022 and enforces new protection thresholds against DDoS attacks. This policy change affects ECS instances purchased after the aforementioned time.
Adjustment time
10:00:00 on September 20, 2022
Supported regions
China (Heyuan), China (Guangzhou), China (Hohhot), China (Hong Kong), US (Virginia), US (Silicon Valley), and Singapore (Singapore)
Adjustment content
Before adjustment, the policy determines the thresholds for traffic scrubbing based on the maximum internal bandwidth allowed for the instance types of your instances.
After adjustment, the policy determines the thresholds for traffic scrubbing based on the public bandwidth and instance types of your instances. For more information, see Anti-DDoS Basic.