Applicable services: Anti-DDoS Premium

Time: (UTC+8) 00:00:00 to 06:00:00 on June 25, 2020

Description: Scrubbing nodes in the UK are added to the traffic scrubbing centers.

Impact: After the upgrade, the following back-to-origin Classless Inter-Domain Routing (CIDR) blocks are added to Anti-DDoS Premium:
  • 170.33.88.0/24
  • 170.33.92.0/24
  • 170.33.93.0/24
  • 170.33.90.0/24

If you use Anti-DDoS Premium and have configured access control policies on your origin server, update the whitelist of your origin server to allow the preceding back-to-origin CIDR blocks. This prevents the back-to-origin IP addresses of Anti-DDoS Premium from being blocked. For more information, see Allow back-to-origin IP addresses to access the origin server.

Customer service: We apologize for any inconvenience caused. If you require any further assistance, we recommend that you contact customer service.