Re:SSL Is Now Included on All Paid Dynos
by brettgoulder on Thursday September 22, 2016 @06:49PM
(#12560988)
Sorry about the confusion. It is all TLS under the hood, SSLv3 is completely disabled: https://devcenter.heroku.com/articles/ssl#supported-ssl-prot...
Also, here's a great server side TLS guide that explains best practices for TLS: https://wiki.mozilla.org/Security/Server_Side_TLS