In JDK 11 and later, `javax.net.ssl.SSLEngine` by default used client mode when handshaking. As a result, the set of default enabled protocols may differ to what is expected. `SSLEngine` would usually be used in server mode. From this JDK release onwards, `SSLEngine` will default to server mode. The `javax.net.ssl.SSLEngine.setUseClientMode���(boolean mode)` method may be used to configure the mode.