code: public String getSSLProtocol() {
          if (TraceComponent.isAnyTracingEnabled() && tc.isEntryEnabled()) {
              Tr.entry(tc, "getSSLProtocol");
          }
  
          // First check the properties object for the ciphers.
          String protocol = (String) this.myConfig.get(Constants.SSLPROP_PROTOCOL);
  
          // we only want to set the protocol on the engine if it a specific protocol name
          // don't set to TLS or SSL
          if (protocol.equals(Constants.PROTOCOL_SSL) || protocol.equals(Constants.PROTOCOL_TLS))
              protocol = null;
  
          if (TraceComponent.isAnyTracingEnabled() && tc.isEntryEnabled()) {
              Tr.exit(tc, "getSSLProtocol " + protocol);
          }
          return protocol;
      }
docs: Query the SSL Protocol for this connection.
  
  @return String