* @return address of active WINS server
     */
    protected InetAddress getWINSAddress () {
        return this.transportContext.getConfig().getWinsServers().length == 0 ? null
                : this.transportContext.getConfig().getWinsServers()[ this.nbnsIndex ];
    }


    /**
     * 
     * @param svr
     * @return whether the given address is a WINS server
     */

                switch ( ( (SmbComTransaction) request ).getSubCommand() & 0xFF ) {
                case SmbComTransaction.NET_SHARE_ENUM:
                case SmbComTransaction.NET_SERVER_ENUM2:
                case SmbComTransaction.NET_SERVER_ENUM3:
                case SmbComTransaction.TRANS_PEEK_NAMED_PIPE:
                case SmbComTransaction.TRANS_WAIT_NAMED_PIPE:
                case SmbComTransaction.TRANS_CALL_NAMED_PIPE:

     * 
     * This does not provide any actual downgrade protection if SMB1 is allowed.
     * 
     * It will also break connections with SMB2 servers that do not properly sign error responses.
     * 
     * @return whether to enforce the use of secure negotiation.
     */
    boolean isRequireSecureNegotiate ();


    /**