sslSocket.enabledProtocols =
        arrayOf(
          TlsVersion.SSL_3_0.javaName,
          TlsVersion.TLS_1_1.javaName,
          TlsVersion.TLS_1_2.javaName,
          TlsVersion.TLS_1_3.javaName,
        )
    } else {
      sslSocket.enabledProtocols =
        arrayOf(
          TlsVersion.SSL_3_0.javaName,
          TlsVersion.TLS_1_1.javaName,
          TlsVersion.TLS_1_2.javaName,

          val tlsVersion =
            if (!source.exhausted()) {
              TlsVersion.forJavaName(source.readUtf8LineStrict())
            } else {
              TlsVersion.SSL_3_0
            }
          handshake = Handshake.get(tlsVersion, cipherSuite, peerCertificates, localCertificates)
        } else {
          handshake = null
        }
      }
    }