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Lambda under Python 3.6 Runtime using IoT causes UnsupportedTLSVersionWarning

See original GitHub issue

When publishing to IoT using the Python 3.6 runtime with Lambda he following warning is logged:

/var/task/botocore/ UnsupportedTLSVersionWarning: Currently installed openssl version: OpenSSL 1.0.0-fips 29 Mar 2010 does not support TLS 1.2, which is required for use of iot-data. Please use python installed with openssl version 1.0.1 or higher.
client = boto3.client('iot-data', 'us-east-1')
client.publish(topic=topic, qos=0, payload=data)

Can this be ignored?

Issue Analytics

  • State:closed
  • Created 5 years ago
  • Reactions:2
  • Comments:7 (2 by maintainers)

github_iconTop GitHub Comments

sthuber90commented, Jun 14, 2018

Is there any update on this issue or another place where there’s a solution posted as I happen to have the same problem.

jakeroberscommented, Jan 3, 2019

This appears to be fixed in lambda’s Python 3.7 release. If you are using serverless, you can update the version in the config file, otherwise there should be a version dropdown in the AWS lambda panel

SSL Version: OpenSSL 1.0.2k-fips 26 Jan 2017

Read more comments on GitHub >

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