TLS: v1.2 and updated cipher list #6960
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Update our default cipher list to the most recent "intermediate" configuration from Mozilla's SSL cipher list, which is "recommended cnofiguration for a general-purpose server". https://wiki.mozilla.org/Security/Server_Side_TLS This removes many outdated ciphers that are no longer practically supported by servers, including GitHub, GitLab, and Bitbucket.
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This mandates TLS v1.2 (or better) in all providers, and updates the default supported cipher list to the most recent "intermediate" configuration from Mozilla's SSL cipher list, which is "recommended configuration for a general-purpose server".
https://wiki.mozilla.org/Security/Server_Side_TLS
This removes many outdated ciphers that are no longer practically
supported by servers, including GitHub, GitLab, and Bitbucket.