Openvpn--show-tls-win

Available TLS Ciphers,
listed in order of preference:

TLS-ECDHE-RSA-WITH-AES-256-GCM-SHA384
TLS-ECDHE-ECDSA-WITH-AES-256-GCM-SHA384
TLS-ECDHE-RSA-WITH-AES-256-CBC-SHA384
TLS-ECDHE-ECDSA-WITH-AES-256-CBC-SHA384
TLS-ECDHE-RSA-WITH-AES-256-CBC-SHA
TLS-ECDHE-ECDSA-WITH-AES-256-CBC-SHA
TLS-DHE-DSS-WITH-AES-256-GCM-SHA384
TLS-DHE-RSA-WITH-AES-256-GCM-SHA384
TLS-DHE-RSA-WITH-AES-256-CBC-SHA256
TLS-DHE-DSS-WITH-AES-256-CBC-SHA256
TLS-DHE-RSA-WITH-AES-256-CBC-SHA
TLS-DHE-DSS-WITH-AES-256-CBC-SHA
TLS-DHE-RSA-WITH-CAMELLIA-256-CBC-SHA
TLS-DHE-DSS-WITH-CAMELLIA-256-CBC-SHA
TLS-ECDH-RSA-WITH-AES-256-GCM-SHA384
TLS-ECDH-ECDSA-WITH-AES-256-GCM-SHA384
TLS-ECDH-RSA-WITH-AES-256-CBC-SHA384
TLS-ECDH-ECDSA-WITH-AES-256-CBC-SHA384
TLS-ECDH-RSA-WITH-AES-256-CBC-SHA
TLS-ECDH-ECDSA-WITH-AES-256-CBC-SHA
TLS-ECDHE-RSA-WITH-AES-128-GCM-SHA256
TLS-ECDHE-ECDSA-WITH-AES-128-GCM-SHA256
TLS-ECDHE-RSA-WITH-AES-128-CBC-SHA256
TLS-ECDHE-ECDSA-WITH-AES-128-CBC-SHA256
TLS-ECDHE-RSA-WITH-AES-128-CBC-SHA
TLS-ECDHE-ECDSA-WITH-AES-128-CBC-SHA
TLS-DHE-DSS-WITH-AES-128-GCM-SHA256
TLS-DHE-RSA-WITH-AES-128-GCM-SHA256
TLS-DHE-RSA-WITH-AES-128-CBC-SHA256
TLS-DHE-DSS-WITH-AES-128-CBC-SHA256
TLS-DHE-RSA-WITH-AES-128-CBC-SHA
TLS-DHE-DSS-WITH-AES-128-CBC-SHA
TLS-DHE-RSA-WITH-CAMELLIA-128-CBC-SHA
TLS-DHE-DSS-WITH-CAMELLIA-128-CBC-SHA
TLS-ECDH-RSA-WITH-AES-128-GCM-SHA256
TLS-ECDH-ECDSA-WITH-AES-128-GCM-SHA256
TLS-ECDH-RSA-WITH-AES-128-CBC-SHA256
TLS-ECDH-ECDSA-WITH-AES-128-CBC-SHA256
TLS-ECDH-RSA-WITH-AES-128-CBC-SHA
TLS-ECDH-ECDSA-WITH-AES-128-CBC-SHA
TLS-ECDHE-RSA-WITH-3DES-EDE-CBC-SHA
TLS-ECDHE-ECDSA-WITH-3DES-EDE-CBC-SHA
TLS-DHE-RSA-WITH-3DES-EDE-CBC-SHA
TLS-DHE-DSS-WITH-3DES-EDE-CBC-SHA
TLS-ECDH-RSA-WITH-3DES-EDE-CBC-SHA
TLS-ECDH-ECDSA-WITH-3DES-EDE-CBC-SHA

Be aware that that whether a cipher suite in this list can actually work
depends on the specific setup of both peers. See the man page entries of
--tls-cipher and --show-tls for more details.