[jira] [Commented] (CASSANDRA-17365) Remove deprecated version specific TLS in CQLSH

["Brad Schoening (Jira)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/CASSANDRA-17365?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17516410#comment-17516410 ] 

Brad Schoening commented on CASSANDRA-17365:
--------------------------------------------

[~aboudreault] would you have any comments on this since you seem to have worked on this issue in the python driver?

> Remove deprecated version specific TLS in CQLSH
> -----------------------------------------------
>
>                 Key: CASSANDRA-17365
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-17365
>             Project: Cassandra
>          Issue Type: Task
>          Components: CQL/Interpreter
>            Reporter: Brad Schoening
>            Assignee: Brad Schoening
>            Priority: Normal
>             Fix For: 4.x
>
>
> According to [https://docs.python.org/3/library/ssl.html] use of explicit TLS versions v1, v1_1 and v1_2 has been deprecated in Python 3.6+ in favor of auto-negotiation of the highest protocol version that both the client and server support.
>  * {{{}ssl.{}}}{{{}PROTOCOL_TLSv1{}}}
>  * {{{}ssl.{}}}{{{}PROTOCOL_TLSv1_1{}}}
>  * {{{}ssl.{}}}{{{}PROTOCOL_TLSv1_2{}}}
> The above are deprecated since version 3.6: OpenSSL has deprecated all version specific protocols.
> This affects cqlshlib/sslhandling.py and cqlshlib/test/test_sslhandling.py. And also config files test/config/
> {sslhandling.config, sslhandling_invalid.config}
>  
> "NSA recommends that only TLS 1.2 or TLS 1.3 be used; and that SSL 2.0, SSL 3.0, TLS 1.0, and TLS 1.1 not be used"
> https://media.defense.gov/2021/Jan/05/2002560140/-1/-1/0/ELIMINATING_OBSOLETE_TLS_UOO197443-20.PDF



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