Graylog: Strengthening communication security

This documentation is part of the Using with Python guide. View the full guide here: How to send logs from Python to Graylog.

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While the previous examples use TLS encryption, they do not perform certificate validation. This is fine for testing, but in a production environment, it is important to verify the certificate's validity.

You can enable certificate validation by adding the validate and ca_certs options like this:

handler = graypy.GELFTLSHandler('<XXXXXX>.stackhero-network.com', 12201, validate=True, ca_certs='/etc/ssl/certs/ca-certificates.crt')

Be sure the file /etc/ssl/certs/ca-certificates.crt exists on your system:

• On Ubuntu/Debian, you can install it using sudo apt install ca-certificates.
• On Alpine Linux, install it with apk add ca-certificates.
• On macOS, it is installed by default, but the file is named /etc/ssl/cert.pem.