NegTokenTarg targ = (NegTokenTarg) spToken;
            if ( targ.getResult() == NegTokenTarg.ACCEPT_COMPLETED && this.mechContext.isEstablished() ) {
                // server sent final token
                verifyMechListMIC(targ.getMechanismListMIC());
                if ( !this.disableMic || this.requireMic ) {
                    mechMIC = calculateMechListMIC();
                }

         * the 'received' member of the response object will not
         * be set to true indicating the send and sendTransaction
         * methods that the next part should be sent. This is a
         * very indirect and simple batching control mechanism.
         */

                }

                synchronized (LOCK) {
                    if (NbtAddress.isWINS( request.addr ) == false)
                        break;
                                    /* Message was sent to WINS but
                                     * failed to receive response.
                                     * Try a different WINS server.
                                     */

success.upload_kuromoji_file=Uploaded Kuromoji file.
success.upload_elevate_word=Uploaded Additional Word file.
success.upload_bad_word=Uploaded Bad Word file.
success.upload_mapping_file=Uploaded Mapping file.
success.send_testmail=Sent the test mail.
success.job_log_delete_all=Deleted job logs.
success.changed_password=Changed your password.
success.bulk_process_started=Bulk process is started.

success.crud_create_crud_table=Created data.

                }

                synchronized ( this.LOCK ) {
                    if ( isWINS(request.addr) == false )
                        break;
                    /*
                     * Message was sent to WINS but
                     * failed to receive response.
                     * Try a different WINS server.
                     */
                    if ( request.addr == getWINSAddress() )

     */
    public static final int NTLMSSP_NEGOTIATE_ALWAYS_SIGN = 0x00008000;

    /**
     * Sent by the server in the Type 2 message to indicate that the
     * target authentication realm is a domain.
     */
    public static final int NTLMSSP_TARGET_TYPE_DOMAIN = 0x00010000;

    /**
     * Sent by the server in the Type 2 message to indicate that the
     * target authentication realm is a server.
     */

                if (response.getHttpStatusCode() == 200) {
                    if (logger.isDebugEnabled()) {
                        logger.debug("Sent {} to {}.", body, url);
                    }
                } else {
                    logger.warn("Failed to send {} to {}. HTTP Status is {}. {}", body, url, response.getHttpStatusCode(),

    */
    public static final int NTLMSSP_NEGOTIATE_ALWAYS_SIGN = 0x00008000;

    /**
    * Sent by the server in the Type 2 message to indicate that the 
    * target authentication realm is a domain.
    */
    public static final int NTLMSSP_TARGET_TYPE_DOMAIN = 0x00010000;

    /**
    * Sent by the server in the Type 2 message to indicate that the 
    * target authentication realm is a server.
    */

For the more details, see the implementation code in [GsaApiManager](/src/main/java/org/codelibs/fess/api/gsa/GsaApiManager.java).

    public boolean verifySignature ( byte[] buffer, int i, int size ) {
        // observed too that signatures on error responses are sometimes wrong??
        // Looks like the failure case also is just reflecting back the signature we sent

        // with SMB3's negotiation validation it's no longer possible to ignore this (on the validation response)
        // make sure that validation is performed in any case
        Smb2SigningDigest dgst = getDigest();