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https://issues.apache.org/jira/browse/HADOOP-13836?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15702466#comment-15702466
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Arun Suresh commented on HADOOP-13836:
--------------------------------------
bq. wire encryption can only be good, though the cost of negotiating secure
HTTPS connections can be high; I don't know if this proposal will have the same
problem.
[~steve_l], From my initial glance of the patch, it looks like it is replacing
the socket used for the RPC with an SSL Socket. In which case, It should be
technically possible to replace the standard JSSE SSLEngine with OpenSSL's JNI
based codecs for improved performance (maybe as a later patch), like what
Tomcat does.
[~kartheek], do you have some numbers that quantify the performance degradation
?
> Securing Hadoop RPC using SSL
> -----------------------------
>
> Key: HADOOP-13836
> URL: https://issues.apache.org/jira/browse/HADOOP-13836
> Project: Hadoop Common
> Issue Type: New Feature
> Components: ipc
> Reporter: kartheek muthyala
> Attachments: HADOOP-13836.patch
>
>
> Today, RPC connections in Hadoop are encrypted using Simple Authentication &
> Security Layer (SASL), with the Kerberos ticket based authentication or
> Digest-md5 checksum based authentication protocols. This proposal is about
> enhancing this cipher suite with SSL/TLS based encryption and authentication.
> SSL/TLS is a proposed Internet Engineering Task Force (IETF) standard, that
> provides data security and integrity across two different end points in a
> network. This protocol has made its way to a number of applications such as
> web browsing, email, internet faxing, messaging, VOIP etc. And supporting
> this cipher suite at the core of Hadoop would give a good synergy with the
> applications on top and also bolster industry adoption of Hadoop.
> The Server and Client code in Hadoop IPC should support the following modes
> of communication
> 1. Plain
> 2. SASL encryption with an underlying authentication
> 3. SSL based encryption and authentication (x509 certificate)
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