}

    private static NtlmChallenge interrogate(final CIFSContext tf, final Address addr) throws SmbException {
        final UniAddress dc = new UniAddress(addr);
        try (SmbTransportInternal trans = tf.getTransportPool()
                .getSmbTransport(tf, dc, 0, false, tf.hasDefaultCredentials() && tf.getConfig().isIpcSigningEnforced())

    private static long lastModified = 1L;
    private static int alt;
    private static LogStream log = LogStream.getInstance();

    /**
     * This is really just for {@link jcifs.smb1.UniAddress}. It does
     * not throw an {@link java.net.UnknownHostException} because this
     * is queried frequently and exceptions would be rather costly to
     * throw on a regular basis here.
     *

    /**
     * Determines the address of a host given it's host name. The name can be a NetBIOS name like
     * "freto" or an IP address like "192.168.1.15". It cannot be a DNS name;
     * the analygous {@link jcifs.netbios.UniAddress} or {@link java.net.InetAddress}
     * <code>getByName</code> methods can be used for that.
     *
     * @param host
     *            hostname to resolve
     * @return the resolved address

import jcifs.Address;
import jcifs.CIFSContext;
import jcifs.CIFSException;
import jcifs.Config;
import jcifs.config.PropertyConfiguration;
import jcifs.context.BaseContext;
import jcifs.netbios.UniAddress;
import jcifs.smb.NtlmPasswordAuthentication;
import jcifs.smb.SmbAuthException;

/**
 * This servlet may be used with pre-2.3 servlet containers
 * to protect content with NTLM HTTP Authentication. Servlets that

                    final String mb = NbtAddress.getByName(NbtAddress.MASTER_BROWSER_NAME, 0x01, null).getHostAddress();
                    dc = UniAddress.getByName(mb);
                } else {
                    dc = UniAddress.getByName(server, possibleWorkgroup);
                }

                req.getSession(); /* ensure session id is set for cluster env. */

        int n;
        final NameQueryRequest request = new NameQueryRequest(name);
        final NameQueryResponse response = new NameQueryResponse();

        if (addr != null) { /* UniAddress calls always use this
                             * because it specifies addr
                             */
            request.addr = addr; /* if addr ends with 255 flag it bcast */

            // seems to be correct according to
            // https://lists.samba.org/archive/samba-technical/2009-August/066486.html
            // UniAddress addr = UniAddress.getByName(authDomain, true, tf);
            // SmbTransport trans = tf.getTransportPool().getSmbTransport(tf, addr, 0);
            try (SmbTransport dc = getDc(tf, authDomain)) {

                    this.resolverOrder.add(ResolverType.RESOLVER_LMHOSTS);
                } else if (s.equalsIgnoreCase("WINS")) {
                    if (this.winsServer.length == 0) {
                        log.error("UniAddress resolveOrder specifies WINS however " + " WINS server has not been configured");
                        continue;
                    }
                    this.resolverOrder.add(ResolverType.RESOLVER_WINS);

    private final Map<Name, NbtAddress> table = new HashMap<>();
    private long lastModified = 1L;
    private int alt;

    /**
     * This is really just for {@link jcifs.netbios.UniAddress}. It does
     * not throw an {@link java.net.UnknownHostException} because this
     * is queried frequently and exceptions would be rather costly to
     * throw on a regular basis here.
     *

    /**
     * Determines the address of a host given it's host name. The name can be a NetBIOS name like
     * "freto" or an IP address like "192.168.1.15". It cannot be a DNS name;
     * the analygous {@link jcifs.smb1.UniAddress} or {@link java.net.InetAddress}
     * <code>getByName</code> methods can be used for that.
     *
     * @param host hostname to resolve
     * @return the resolved NetBIOS address