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https://issues.apache.org/jira/browse/KAFKA-1684?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14361470#comment-14361470
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Jun Rao commented on KAFKA-1684:
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[~sriharsha], just a high level comment. We have another jira (KAFKA-1928) to
investigate reusing the network client code in the broker. If that's possible,
adding SSL is likely easier since we just need to code it once and reuse it in
both the client and the server. How easy is it to port your SSL code to network
client? Also, if we go with that route, we probably should finish KAFKA-1928
first.
> Implement TLS/SSL authentication
> --------------------------------
>
> Key: KAFKA-1684
> URL: https://issues.apache.org/jira/browse/KAFKA-1684
> Project: Kafka
> Issue Type: Sub-task
> Components: security
> Affects Versions: 0.9.0
> Reporter: Jay Kreps
> Assignee: Ivan Lyutov
> Attachments: KAFKA-1684.patch, KAFKA-1684.patch
>
>
> Add an SSL port to the configuration and advertise this as part of the
> metadata request.
> If the SSL port is configured the socket server will need to add a second
> Acceptor thread to listen on it. Connections accepted on this port will need
> to go through the SSL handshake prior to being registered with a Processor
> for request processing.
> SSL requests and responses may need to be wrapped or unwrapped using the
> SSLEngine that was initialized by the acceptor. This wrapping and unwrapping
> is very similar to what will need to be done for SASL-based authentication
> schemes. We should have a uniform interface that covers both of these and we
> will need to store the instance in the session with the request. The socket
> server will have to use this object when reading and writing requests. We
> will need to take care with the FetchRequests as the current
> FileChannel.transferTo mechanism will be incompatible with wrap/unwrap so we
> can only use this optimization for unencrypted sockets that don't require
> userspace translation (wrapping).
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