App Engine Flexible Environment Node.js to Enforce TLS 1.2+
Google Cloud's App Engine flexible environment for Node.js will begin enforcing TLS version 1.2 and later, starting in August 2026. This measure is designed to improve application security by preventing connections from older, less secure TLS versions. Users will have an option to opt out until the end of August 2026, after which App Engine may permanently block traffic using TLS 1.1 and earlier protocols from September 2026.
Features (1) ›
- App Engine flexible environment Node.js
To improve security, starting in August 2026, App Engine opts your application into TLS version 1.2 and later. You can opt out until the end of August 2026. Starting in September 2026, App Engine might permanently block insecure traffic with TLS version 1.1 and earlier. For more information, see Secure minimum TLS .
https://docs.cloud.google.com/release-notes#August_14_2026
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