[Alibaba Cloud] [Anti-DDoS Service] [Upgrade Notice]
Upgrade window: Beijing time 00:00-06:00 on January 17, 2019 (PST 08:00-14:00 on January 16, 2019)
Upgrade content: Anti-DDoS Service (International) server rooms in Hong Kong and US will perform upgrade operations and add Back-To-Source CIDR blocks.
Upgrade impact:
1. During the upgrade, the TCP connection will be flashed 4-8 times. The flash will not affect the short connections and the long-connection services with automatic reconnection business. Please make sure your applications include a reconnection mechanism to ensure fault tolerance.
2. New Back-To-Source CIDR blocks will be added after the Anti-DDoS Pro server rooms are upgraded in Hong Kong. If you selected your Anti-DDoS Pro node as Hong Kong, please pay attention to the Back-To-Source CIDR blocks added this time. If there is an access whitelist setting at the front of the server, please add those new IP segments to the white list before this upgrade to avoid the subsequent problem of unreasonable service due to upgrade of the equipment room. Thank you for your cooperation.
Anti-DDoS Service in Mainland China will not be affected by this upgrade, please ignore this notice.

Anti-DDoS Service (International) new Back-To-Source CIDR blocks:
170.33.44.0/24
170.33.45.0/24
170.33.46.0/24
170.33.64.0/24
170.33.65.0/24
170.33.66.0/24
170.33.72.0/24
170.33.73.0/24
170.33.76.0/24
170.33.77.0/24

We apologize for any inconvenience caused. If you have any questions, please feel free to contact us by submitting a ticket any time.

Alibaba Cloud