IIRC, the two cipher suites supported in 2.3.0 are TLS_RSA_WITH_AES_128_CBC_SHA and TLS_RSA_WITH_AES_256_CBC_SHA. Latest git version adds a couple other cipher suites, but also not the ones listed for this website (axTLS only does RSA).
You need to configure the webserver to allow one of these two cipher suites, or set up an HTTPS termination proxy if this server is outside of your control.