Hi Arrow-Dev, I've created a JIRA for supporting using Flight clients to connect to Flight servers without verifying the server certificate.
This is something I've seen done frequently for other connectivity tools such as JDBC drivers. I'll be looking to implement this one for the and hopefully get it in for the next release: https://issues.apache.org/jira/plugins/servlet/mobile#issue/ARROW-10105 Related, I'm also planning to add support for using the TLS_SNI extension.
