if ( s.indexOf('.') < 0 && s.toUpperCase(Locale.ROOT).equals(s) ) {
            String fqdn = s + "." + dom;
            if ( log.isDebugEnabled() ) {
                log.debug(String.format("Applying DFS netbios name hack %s -> %s ", s, fqdn));
            }
            this.server = fqdn;
        }
    }


    @Override
    public void fixupHost ( String fqdn ) {
        String s = getServer();

                                                    throws UnknownHostException {
        NbtAddress addr;

        if( name.hexCode == 0x1d && svr == null ) {
            svr = CLIENT.baddr; // bit of a hack but saves a lookup
        }
        name.srcHashCode = svr != null ? svr.hashCode() : 0;
        addr = getCachedAddress( name );

        if( addr == null ) {

    NbtAddress doNameQuery ( Name name, InetAddress svr ) throws UnknownHostException {
        NbtAddress addr;

        if ( name.hexCode == 0x1d && svr == null ) {
            svr = this.baddr; // bit of a hack but saves a lookup
        }
        name.srcHashCode = svr != null ? svr.hashCode() : 0;
        addr = getCachedAddress(name);

        if ( addr == null ) {
            /*

    @Override
    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

            throws InterruptedException, ExecutionException, TimeoutException {
        boolean found = checkInResult(action, name, infos);
        if ( !found ) {
            // retry, the first watch may have already come back before the triggered change was active
            try {
                setupWatch(w);
                found = checkInResult(action, name, infos);
            }
            catch ( TimeoutException e ) {

                }
                if ( ( !foundKerberos || this.forceFallback ) && this.canFallback && tc.getConfig().isAllowNTLMFallback() ) {
                    log.debug("Falling back to NTLM authentication");
                    return super.createContext(tc, targetDomain, host, initialToken, doSigning);
                }
                else if ( !foundKerberos ) {

                serverSideCopy(src, dest, sh, dh, false);
                return;
            }
            catch ( SmbUnsupportedOperationException e ) {
                log.debug("Server side copy not supported, falling back to normal copying", e);
            }
            catch ( CIFSException e ) {
                log.warn("Server side copy failed", e);
                throw SmbException.wrap(e);
            }
        }

     * 
     * Property <tt>jcifs.smb.client.dfs.disabled</tt> (boolean, default false)
     * 
     * @return whether DFS lookup is disabled
     */
    boolean isDfsDisabled ();


    /**
     * Enable hack to make kerberos auth work with DFS sending short names
     * 
     * This works by appending the domain name to the netbios short name and will fail horribly if this mapping is not
     * correct for your domain.
     * 

         * suggests MS doesn't compute the signature (correctly) for error responses
         * (perhaps for DOS reasons).
         */
        /*
         * Looks like the failure case also is just reflecting back the signature we sent
         */

        /**
         * Maybe this is related:
         * 
         * If signing is not active, the SecuritySignature field of the SMB Header for all messages sent, except