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https://issues.apache.org/jira/browse/CASSANDRA-9220?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15148541#comment-15148541
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Stefan Podkowinski commented on CASSANDRA-9220:
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I've now rebased and fixed the dtest and it is working fine now for me. Please
go ahead if you want to continue review.
> Hostname verification for node-to-node encryption
> -------------------------------------------------
>
> Key: CASSANDRA-9220
> URL: https://issues.apache.org/jira/browse/CASSANDRA-9220
> Project: Cassandra
> Issue Type: New Feature
> Reporter: Stefan Podkowinski
> Assignee: Stefan Podkowinski
> Fix For: 3.x
>
> Attachments: sslhostverification-2.0.patch
>
>
> This patch will will introduce a new ssl server option:
> {{require_endpoint_verification}}.
> Setting it will enable hostname verification for inter-node SSL
> communication. This is necessary to prevent man-in-the-middle attacks when
> building a trust chain against a common CA. See
> [here|https://tersesystems.com/2014/03/23/fixing-hostname-verification/] for
> background details.
> Clusters that solely rely on importing all node certificates into each trust
> store (as described
> [here|http://docs.datastax.com/en/cassandra/2.0/cassandra/security/secureSSLCertificates_t.html])
> are not effected.
> Clusters that use the same common CA to sign node certificates are
> potentially affected. In case the CA signing process will allow other parties
> to generate certs for different purposes, those certificates could in turn be
> used for MITM attacks. The provided patch will allow to enable hostname
> verification to make sure not only to check if the cert is valid but also if
> it has been created for the host that we're about to connect.
> Corresponding dtest: [Test for
> CASSANDRA-9220|https://github.com/riptano/cassandra-dtest/pull/237]
> Related patches from the client perspective:
> [Java|https://datastax-oss.atlassian.net/browse/JAVA-716],
> [Python|https://datastax-oss.atlassian.net/browse/PYTHON-296]
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