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https://issues.apache.org/jira/browse/FLINK-5030?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Maximilian Michels updated FLINK-5030:
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Component/s: Security
> Support hostname verification
> -----------------------------
>
> Key: FLINK-5030
> URL: https://issues.apache.org/jira/browse/FLINK-5030
> Project: Flink
> Issue Type: Sub-task
> Components: Security
> Reporter: Eron Wright
> Fix For: 1.2.0
>
>
> _See [Dangerous Code|http://www.cs.utexas.edu/~shmat/shmat_ccs12.pdf] and
> [further
> commentary|https://tersesystems.com/2014/03/23/fixing-hostname-verification/]
> for useful background._
> When hostname verification is performed, it should use the hostname (not IP
> address) to match the certificate. The current code is wrongly using the
> address.
> In technical terms, ensure that calls to `SSLContext::createSSLEngine` supply
> the expected hostname, not host address.
> Please audit all SSL setup code as to whether hostname verification is
> enabled, and file follow-ups where necessary. For example, Akka 2.4
> supports it but 2.3 doesn't
> ([ref|http://doc.akka.io/docs/akka/2.4.4/scala/http/client-side/https-support.html#Hostname_verification]).
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