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https://issues.apache.org/jira/browse/TS-3136?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14594125#comment-14594125
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Susan Hinrichs commented on TS-3136:
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And because you cannot have too much fun playing with data, here is the
negotiated cipher table subtotaled by type of cipher
|Cipher Group|% 6/19 list|% 6/18 list|% 5.x default|
|non-PFS block cipher |6.89| 6.86 |0.48|
|GCM |35.69 |35.64 |35.79|
|PFS CBC |57.42| 57.5| 40.56|
|RC4 |0| 0| 23.18|
> Change default TLS cipher suites
> --------------------------------
>
> Key: TS-3136
> URL: https://issues.apache.org/jira/browse/TS-3136
> Project: Traffic Server
> Issue Type: Improvement
> Components: Security, SSL
> Reporter: Leif Hedstrom
> Assignee: Susan Hinrichs
> Labels: compatibility
> Fix For: 6.0.0
>
>
> In TS-3135 [~i.galic] suggested:
> {quote}
> also, recommendations for a safer ciphersuite:
> SSLCipherSuite
> ECDHE-RSA-AES256-GCM-SHA384:ECDHE-RSA-AES128-GCM-SHA256:DHE-RSA-AES256-GCM-SHA384:DHE-RSA-AES128-GCM-SHA256:ECDHE-RSA-AES256-SHA384:ECDHE-RSA-AES128-SHA256:ECDHE-RSA-AES256-SHA:ECDHE-RSA-AES128-SHA:DHE-RSA-AES256-SHA256:DHE-RSA-AES128-SHA256:DHE-RSA-AES256-SHA:DHE-RSA-AES128-SHA:ECDHE-RSA-DES-CBC3-SHA:EDH-RSA-DES-CBC3-SHA:AES256-GCM-SHA384:AES128-GCM-SHA256:AES256-SHA256:AES128-SHA256:AES256-SHA:AES128-SHA:DES-CBC3-SHA:HIGH:!aNULL:!eNULL:!EXPORT:!DES:!MD5:!PSK:!RC4
>
> from https://cipherli.st/
> {quote}
> [~jacksontj] had responded with:
> {quote}
> [~i.galic] That cipher quite is geared towards security, but doesn't support
> quite a few older clients. I'd recommend we use the suite from mozilla
> (https://wiki.mozilla.org/Security/Server_Side_TLS#Recommended_Server_Configurations)
> which is a good mix of security and compatibility:
> {code}
> ECDHE-RSA-AES128-GCM-SHA256:ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-RSA-AES256-GCM-SHA384:ECDHE-ECDSA-AES256-GCM-SHA384:DHE-RSA-AES128-GCM-SHA256:DHE-DSS-AES128-GCM-SHA256:kEDH+AESGCM:ECDHE-RSA-AES128-SHA256:ECDHE-ECDSA-AES128-SHA256:ECDHE-RSA-AES128-SHA:ECDHE-ECDSA-AES128-SHA:ECDHE-RSA-AES256-SHA384:ECDHE-ECDSA-AES256-SHA384:ECDHE-RSA-AES256-SHA:ECDHE-ECDSA-AES256-SHA:DHE-RSA-AES128-SHA256:DHE-RSA-AES128-SHA:DHE-DSS-AES128-SHA256:DHE-RSA-AES256-SHA256:DHE-DSS-AES256-SHA:DHE-RSA-AES256-SHA:AES128-GCM-SHA256:AES256-GCM-SHA384:AES128-SHA:AES256-SHA:AES:CAMELLIA:DES-CBC3-SHA:!aNULL:!eNULL:!EXPORT:!DES:!RC4:!MD5:!PSK:!aECDH:!EDH-DSS-DES-CBC3-SHA:!EDH-RSA-DES-CBC3-SHA:!KRB5-DES-CBC3-SHA
> {code}
> {quote}
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