log.debug("Secure negotiation does not apply");
            return;
        }

        Smb2NegotiateResponse nego = (Smb2NegotiateResponse) trans.getNegotiateResponse();
        if ( nego.getSelectedDialect().atLeast(DialectVersion.SMB311) ) {
            // have preauth integrity instead
            log.debug("Secure negotiation does not apply, is SMB3.1");
            return;
        }

                 * lookup for FOO using BCAST should not fail because of that
                 * name cached from WINS.
                 *
                 * So, here we apply the source addresses hashCode to each name to
                 * make them specific to who resolved the name.
                 */

                int srcHashCode = request.addr.hashCode();

        return isExists;
    }

/**
 * Tests to see if the file this <code>SmbFile</code> represents can be
 * read. Because any file, directory, or other resource can be read if it
 * exists, this method simply calls the <code>exists</code> method.
 *
 * @return <code>true</code> if the file is read-only
 */

    public boolean canRead() throws SmbException {