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Thomas Jackson commented on TS-3136: ------------------------------------ [~shinrich] In our testing/experience you can drop RC4 and as long as you support 3DES clients will move to that. Granted 3DES isn't super secure, but its not as broken as RC4 :) > 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} -- This message was sent by Atlassian JIRA (v6.3.4#6332)