* <tr><td width="20%"><pre>
 * new SmbNamedPipe( "smb1://server/IPC$/PIPE/foo",
 *         SmbNamedPipe.PIPE_TYPE_RDWR |
 *         SmbNamedPipe.PIPE_TYPE_CALL );
 * </pre></td><td>
 * Open the Named Pipe foo for reading and writing. The pipe will behave like the <code>CallNamedPipe</code> interface.
 * </td></tr>
 * <tr><td width="20%"><pre>
 * new SmbNamedPipe( "smb1://server/IPC$/foo",
 *         SmbNamedPipe.PIPE_TYPE_RDWR |

            if (netbiosName != null && tcax.path.endsWith("\\IPC$")) {
                /* Some pipes may require that the hostname in the tree connect
                 * be the netbios name. So if we have the netbios server name
                 * from the NTLMSSP type 2 message, and the share is IPC$, we
                 * assert that the tree connect path uses the netbios hostname.
                 */

                default:
                    throw new SmbException( "Invalid operation for " + service + " service" + request );
            }
        }
        request.tid = tid;
        if( inDfs && !service.equals("IPC") && request.path != null && request.path.length() > 0 ) {
            /* When DFS is in action all request paths are
             * full UNC paths minus the first backslash like
             *   \server\share\path\to\file

                String path,
                NtlmPasswordAuthentication auth) throws SmbAuthException {
        DfsReferral dr = null;
        long now = System.currentTimeMillis();

        if (DISABLED || root.equals("IPC$")) {
            return null;
        }
        /* domains that can contain DFS points to maps of roots for each
         */
        HashMap domains = getTrustedDomains(auth);
        if (domains != null) {

        CIFSContext cifsContext = getNewContext().withCredentials(new NtlmPasswordAuthenticator("wrong", "wrong", "wrong"));
        try ( SmbFile f = new SmbFile("smb://" + getTestServer() + "/IPC$/test", cifsContext); ) {
            f.connect();
            assertFalse(true);
        }
        catch ( SmbAuthException e ) {
            // ignore
        }

        assertFalse(cifsContext.close());

            tree.treeConnect(null, null);
        } catch (SmbAuthException sae) {
            NtlmPasswordAuthentication a;
            SmbSession ssn;

            if (share == null) { // IPC$ - try "anonymous" credentials
                ssn = trans.getSmbSession(NtlmPasswordAuthentication.NULL);
                tree = ssn.getSmbTree(null, null);
                tree.treeConnect(null, null);

     * @see jcifs.SmbResourceLocator#isIPC()
     */
    @Override
    public boolean isIPC () {
        String shr = this.getShare();
        if ( shr == null || "IPC$".equals(getShare()) ) {
            if ( log.isDebugEnabled() ) {
                log.debug("Share is IPC " + this.share);
            }
            return true;
        }
        return false;
    }


    /**
     * @param t
     */

    /**
     * @return resolved server address
     * @throws CIFSException
     */
    Address getAddress () throws CIFSException;


    /**
     * @return whether this is a IPC connection
     */
    boolean isIPC ();


    /**
     * Returns type of of object this <tt>SmbFile</tt> represents.
     * 
     * @return <tt>TYPE_FILESYSTEM, TYPE_WORKGROUP, TYPE_SERVER,

        try ( SmbResource r = new SmbFile("smb://0.0.0.0/IPC$/", getContext()) ) {
            assert ( r.isHidden() );
        }
    }


    @Test
    public void testSetAddress () throws MalformedURLException, CIFSException {
        try ( SmbResource r = new SmbFile("smb://TESTING/IPC$/?address=1.2.3.4", getContext()) ) {
            Address a = r.getLocator().getAddress();

                    if ( this.netbiosName != null && tcax.getPath().endsWith("\\IPC$") ) {
                        /*
                         * Some pipes may require that the hostname in the tree connect
                         * be the netbios name. So if we have the netbios server name
                         * from the NTLMSSP type 2 message, and the share is IPC$, we