"ssl/tls alert handshake failure" with nsssl3ciphers: TLSv1.2 ciphers on RHDS12

Issue

• "ssl/tls alert handshake failure" with nsssl3ciphers: TLSv1.2 ciphers on RHDS12

Sample:

# dsconf -D "cn=Directory Manager" ldap://server.example.com security ciphers set -- "-all,+TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA384,+TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384"
# dsctl [INSTANCE] restart
# ldapsearch -LLL -x -D "cn=Directory Manager" -w [PASSWORD] -H ldaps://server.example.com/ uid=testuser -d1
...
connect success
TLS trace: SSL_connect:before SSL initialization
TLS trace: SSL_connect:SSLv3/TLS write client hello
TLS trace: SSL3 alert read:fatal:handshake failure
TLS trace: SSL_connect:error in error
TLS: can't connect: error:0A000410:SSL routines::ssl/tls alert handshake failure.
ldap_err2string
ldap_sasl_bind(SIMPLE): Can't contact LDAP server (-1)
# tail -2 /var/log/dirsrv/slapd-9ds0/access
[DATE/TIME] conn=9 fd=64 slot=64 SSL connection from [Server IP] to [Server IP]
[DATE/TIME] conn=9 op=-1 fd=64 Disconnect - Cannot communicate securely with peer: no common encryption algorithm(s).