App Engine Node.js Standard Environment to Enforce TLS 1.2+ by September 2026
Google's App Engine standard environment for Node.js applications will begin opting users into TLS version 1.2 and later starting August 2026. This change aims to enhance application security by gradually phasing out support for older, less secure TLS versions. While an opt-out option will be available until the end of August 2026, App Engine may permanently block traffic using TLS 1.1 and earlier from September 2026. Developers with Node.js applications on App Engine standard environment should ensure compatibility with TLS 1.2 or higher.
Features (1) ›
- App Engine standard 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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