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From Hannu Kröger (JIRA) <j...@apache.org>
Subject [jira] [Commented] (CASSANDRA-5290) Refactor inter-node SSL support to make it possible enable without total cluster downtime
Date Fri, 05 Feb 2016 14:26:39 GMT

    [ https://issues.apache.org/jira/browse/CASSANDRA-5290?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15134242#comment-15134242
] 

Hannu Kröger commented on CASSANDRA-5290:
-----------------------------------------

Is this still valid?

> Refactor inter-node SSL support to make it possible enable without total cluster downtime
> -----------------------------------------------------------------------------------------
>
>                 Key: CASSANDRA-5290
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-5290
>             Project: Cassandra
>          Issue Type: Improvement
>            Reporter: Marcus Eriksson
>            Priority: Minor
>
> should be possible by doing something similar to what compression does today:
> * node A connects to node B, indicating that it wants SSL
> * node A and B upgrade/wrap sockets
> * node B must still be able to talk to A (and all other nodes) without SSL
> nothing secret is shared during hand shake phase
> one difference compared to compression is that after the cluster is rolled there must
be a way to not allow any non-ssl talk at all to avoid any plaintext-communication due to
configuration mistakes. this should be doable via configuration and perhaps JMX



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