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Anti-DDoS:[System upgrade] Anti-DDoS Proxy is upgraded on April 23, 2020

Last Updated:May 29, 2026

Product: Alibaba Cloud Anti-DDoS Proxy (Outside Chinese Mainland)

Upgrade time: (UTC/GMT+08:00) 23:00:00 on April 23, 2020 to 03:00:00 on April 24, 2020

Upgrade details: A network upgrade will be performed on Anti-DDoS Proxy (Outside Chinese Mainland).

Impact: During the upgrade, some IP addresses will need to reconnect. This may cause 2 to 3 transient TCP disconnections. These disconnections have minimal impact on services that use short-lived connections or persistent connections with automatic reconnection. To improve fault tolerance, ensure your services have a reconnection and retry mechanism.

Help and support: We apologize for any inconvenience this may cause. If you have any questions, please contact us.