It looks like this has SSL configured and listening, but there is no certificate or private key loaded:

  [~] : openssl s_client -connect 54.243.85.55:443                                                             
  CONNECTED(00000003)
  140150585800568:error:14077438:SSL routines:SSL23_GET_SERVER_HELLO:tlsv1 alert internal error:s23_clnt.c:769:
  ---
  no peer certificate available
  ---
  No client certificate CA names sent
  ---
  SSL handshake has read 7 bytes and written 201 bytes
  ---
  New, (NONE), Cipher is (NONE)
  Secure Renegotiation IS NOT supported
  Compression: NONE
  Expansion: NONE
  No ALPN negotiated
  SSL-Session:
      Protocol  : TLSv1.2
      Cipher    : 0000
      Session-ID:
      Session-ID-ctx:
      Master-Key:
      Key-Arg   : None
      Krb5 Principal: None
      PSK identity: None
      PSK identity hint: None
      Start Time: 1486834426
      Timeout   : 300 (sec)
      Verify return code: 0 (ok)