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https://issues.apache.org/jira/browse/CASSANDRA-10970?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15085945#comment-15085945
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Matthias Brandt commented on CASSANDRA-10970:
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{quote}Are you saying the system hostname of the server(s) is some other
domain?{quote}
Not only the hostname is different, it's a complete different server. In my
current setup, I'm connecting against node1.my.other-domain.com, which responds
with a certificate for *.my.domain.com.
Just forgot to say: This issue belongs to cqlsh.
Just found out that this also was in issue in the java driver from datastax in
versions < 3.x: https://datastax-oss.atlassian.net/browse/JAVA-716
> SSL/TLS: Certificate Domain is ignored
> --------------------------------------
>
> Key: CASSANDRA-10970
> URL: https://issues.apache.org/jira/browse/CASSANDRA-10970
> Project: Cassandra
> Issue Type: Bug
> Reporter: Matthias Brandt
>
> I've set up server_encryption_options as well as client_encryption_options.
> In both settings, I use the same keystore with an wild-card SSL certificate
> in it. It is signed by our own CA, which root certificate is in the
> configured truststore:
> {code}
> server_encryption_options:
> internode_encryption: all
> keystore: /etc/cassandra/conf/wildcard-cert.keystore
> keystore_password: ""
> truststore: /etc/cassandra/conf/my-cacerts
> truststore_password: changeit
> require_client_auth: true
> client_encryption_options:
> enabled: true
> keystore: /etc/cassandra/conf/wildcard-cert.keystore
> keystore_password: ""
> require_client_auth: false
> {code}
> The certifcate's subject is:
> {code}CN=*.my.domain.com,OU=my unit,O=my org{code}
> When I deploy this setting on a server which domain is
> node1.my.*other-domain*.com a connection via cqlsh wrongly works.
> Additionally, the inter-node connection between other nodes in this wrong
> domain also works.
> I would expect that the connection would fail with a meaningful error message.
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