[GitHub] wohali commented on issue #1823: TLS alert / internal error on connecting to Cloudant with OTP 21.2 OpenSSL 1.1.1a CouchDB 2.3.0

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wohali commented on issue #1823: TLS alert / internal error on connecting to Cloudant with OTP 21.2 OpenSSL 1.1.1a CouchDB 2.3.0
URL: https://github.com/apache/couchdb/issues/1823#issuecomment-449057864
 
 
   From @rnewson (with Cloudant):
   
   ```irc
   11:30 <+rnewson> cloudant supports TLS 1.0,1.1,1.2,1.3 for sure, yeah
   11:31 <+rnewson> I can't say if any version of erlang works correctly with openssl 1.1.1.
   11:31 <+rnewson> (99%+ of replications from couchdb to cloudant are using < TLS 1.3 btw,
                    so it certainly works)
   11:32 <+rnewson> only browsers support TLS 1.3 so far, by and large. so we only see TLS
                    1.3 connections for dashboard things.
   ```
   
   Erlang itself doesn't have support for TLS 1.3 or OpenSSL 1.1.1 yet:
   
   https://groups.google.com/forum/#!topic/erlang-programming/9sRGyfkK9Io
   
   > "no promises but planned for erlang 22"
   
   Not sure there is anything for us to do here since this is an Erlang problem, not a CouchDB problem. 
   
   Recommend staying with 1.1.0 or 1.0.2. We'll ensure things work for TLS 1.3 when Erlang 22 is out.

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