* @throws DigestException if a PDU digest error is detected
* @throws SettingsException if the target tries to access a parameter that has not been declared or negotiated and
* that has no default value
*/
public boolean execute (ProtocolDataUnit pdu) throws OperationNotSupportedException , IOException , InterruptedException , InternetSCSIException , DigestException , SettingsException {
throw new OperationNotSupportedException();
}