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4.10 Ensure That App Engine Applications Enforce HTTPS Connections (Manual)

• Level 2

In order to maintain the highest level of security all connections to an application should be secure by default.

Insecure HTTP connections maybe subject to eavesdropping which can expose sensitive data.

All connections to appengine will automatically be redirected to the HTTPS endpoint ensuring that all connections are secured by TLS.

Verify that the app.yaml file controlling the application contains a line which enforces secure connections. For example

handlers:
- url: /.*
 secure: always
 redirect_http_response_code: 301
 script: auto

Add a line to the app.yaml file controlling the application which enforces secure connections. For example

handlers:
- url: /.*
 **secure: always**
 redirect_http_response_code: 301
 script: auto

[https://cloud.google.com/appengine/docs/standard/python3/config/appref]