TLS Version Upgrade for Alibaba Cloud's Official Website, Console, and OpenAPI in the US Region
Jul 04, 2025
Time
EST: July 6, 2025 00:12:00 to August 31, 2025 11:59:59
PST: July 6, 2025 00:09:00 to August 31, 2025 08:59:59
Changes
Alibaba Cloud's HTTPS services in the US region (including official website, console and OpenAPI) will only support TLS version 1.2 and above. The changes will be made in batches within the above time.
Impacts
Old versions of browsers and programming languages (not supporting TLS version 1.2 and above) will not be able to access Alibaba Cloud's HTTPS services (including official website, console and OpenAPI). You can find the minimum versions of common browsers and programming languages in the Appendix below.
Actions
To ensure your business continuity, please check versions of your browsers and programming languages, and upgrade if necessary.
We apologize for the inconvenience this may cause to you. If you have any questions or feedback, please contact us anytime.
Appendix:
TLS 1.2 support for common browsers: (for detailed information, please refer to the official announcement of the browser developers).
● Chrome: version 30 and above.
● Firefox: Version 27 and above.
○ Note: Version 33 and above only supports TLS 1.2 and above by default. If the compatibility with older protocols is required, you need to update the configuration manually.
● Safari: Version 7 and above.
● Internet Explorer: Version 11 and above.
● Opera: Version 16 and above.
● Microsoft Edge: All versions.
TLS 1.2 support for common programming languages: (for detailed information, please refer to the official announcement of the language developers):
● Java: Version 7 and above.
● Python: Version 2.7.9 and above for Python 2; Version 3.2 and above for Python 3.
● Node.js: v0.10.x and above.
● C #: NET Framework 4.5 and above, Mono 3.2 and above.
● PHP: Version 5.6 and above.
● OpenSSL: Version 1.0.1 and above.















