*/
    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 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();

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

    */
    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.
    */