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https://issues.apache.org/jira/browse/KNOX-566?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14629845#comment-14629845
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ASF subversion and git services commented on KNOX-566:
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Commit 7cbdce569c99306139ffaf000c95bef906f22259 in knox's branch
refs/heads/v0.6.0 from [~lmccay]
[ https://git-wip-us.apache.org/repos/asf?p=knox.git;h=7cbdce5 ]
KNOX-566 - Make the Default Ephemeral DH Key Size 2048 for TLS
> Make the Default Ephemeral DH Key Size 2048 with Ability to Override
> --------------------------------------------------------------------
>
> Key: KNOX-566
> URL: https://issues.apache.org/jira/browse/KNOX-566
> Project: Apache Knox
> Issue Type: Bug
> Affects Versions: 0.5.0
> Environment: Red Hat Enterprise Linux Server release 6.4 (Santiago)
> Reporter: Jeffrey E Rodriguez
> Assignee: Larry McCay
> Fix For: 0.7.0
>
> Attachments: KNOX-566-001.patch
>
>
> See description of logjam
> "The Logjam Attack"
> https://weakdh.org/
> To test you should do:
> [root@bdvs1392 logs]# openssl s_client -connect bdvs1392.svl.ibm.com:8443
> -cipher "EDH" | grep "Server Temp Key"
> depth=0 C = US, ST = Test, L = Test, O = Hadoop, OU = Test, CN =
> bdvs1392.svl.ibm.com
> verify error:num=18:self signed certificate
> verify return:1
> depth=0 C = US, ST = Test, L = Test, O = Hadoop, OU = Test, CN =
> bdvs1392.svl.ibm.com
> verify return:1
> Server Temp Key: DH, 768 bits
> The key should >= 1024
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