[jira] [Commented] (FLINK-9310) Update default cyphersuites

["ASF GitHub Bot (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/FLINK-9310?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16466379#comment-16466379 ] 

ASF GitHub Bot commented on FLINK-9310:
---------------------------------------

GitHub user StephanEwen opened a pull request:

    https://github.com/apache/flink/pull/5965

    [FLINK-9310] [security] Update standard cipher suites for secure mode

    ## What is the purpose of the change
    
    This sets the cipher suits accepted by default to those recommended in
    IETF RFC 7525 : https://tools.ietf.org/html/rfc7525
    
    ## Brief change log
    
    Updates the default value of the respective config option to
    ```
    TLS_DHE_RSA_WITH_AES_128_GCM_SHA256,TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256,TLS_DHE_RSA_WITH_AES_256_GCM_SHA384,TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384
    ```
    
    ## Verifying this change
    
    This change is already covered by the existing tests that test SSL setups.
    
    ## Does this pull request potentially affect one of the following parts:
    
      - Dependencies (does it add or upgrade a dependency): (yes / **no**)
      - The public API, i.e., is any changed class annotated with `@Public(Evolving)`: (yes / **no**)
      - The serializers: (yes / **no** / don't know)
      - The runtime per-record code paths (performance sensitive): (yes / **no** / don't know)
      - Anything that affects deployment or recovery: JobManager (and its components), Checkpointing, Yarn/Mesos, ZooKeeper: (yes / **no** / don't know)
      - The S3 file system connector: (yes / **no** / don't know)
    
    ## Documentation
    
      - Does this pull request introduce a new feature? (yes / **no**)
      - If yes, how is the feature documented? (not applicable / **docs** / JavaDocs / not documented)


You can merge this pull request into a Git repository by running:

    $ git pull https://github.com/StephanEwen/incubator-flink update_cipher_suits

Alternatively you can review and apply these changes as the patch at:

    https://github.com/apache/flink/pull/5965.patch

To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:

    This closes #5965
    
----
commit 9b24574cd437ddbc2d3546c1fa0f73e983c02e31
Author: Stephan Ewen <se...@...>
Date:   2018-05-07T17:47:00Z

    [FLINK-9310] [security] Update standard cipher suites for secure mode
    
    This sets the cipher suits accepted by default to those recommended in
    IETF RFC 7525 : https://tools.ietf.org/html/rfc7525

----


> Update default cyphersuites
> ---------------------------
>
>                 Key: FLINK-9310
>                 URL: https://issues.apache.org/jira/browse/FLINK-9310
>             Project: Flink
>          Issue Type: Task
>          Components: Security
>    Affects Versions: 1.4.2
>            Reporter: Stephan Ewen
>            Assignee: Stephan Ewen
>            Priority: Major
>
> The current default cipher suite {{TLS_RSA_WITH_AES_128_CBC_SHA}} is no longer recommended.
> RFC 7525 [1] recommends to use the following cipher suites only:
> * TLS_DHE_RSA_WITH_AES_128_GCM_SHA256
> * TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256
> * TLS_DHE_RSA_WITH_AES_256_GCM_SHA384
> * TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384
> [1] https://tools.ietf.org/html/rfc7525



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