/**
     * This method simply calls <tt>negotiate( req, resp, false )</tt>
     * and then <tt>chain.doFilter</tt>. You can override and call
     * negotiate manually to achive a variety of different behavior.
     */
    @Override
    public void doFilter ( ServletRequest request, ServletResponse response, FilterChain chain ) throws IOException, ServletException {

    }

    /**
     * This method simply calls <tt>negotiate( req, resp, false )</tt>
     * and then <tt>chain.doFilter</tt>. You can override and call
     * negotiate manually to achive a variety of different behavior.
     */
    public void doFilter( ServletRequest request,
                ServletResponse response,
                FilterChain chain ) throws IOException, ServletException {

            }
            catch ( SmbAuthException e )  {
                // guest share not accessible
            }
            catch ( SmbException e) {
                if ("Cannot rename between different trees".equals(e.getMessage())) {
                    // expected
                    return;
                }
                throw e;
            }
            finally {

     * If no DACL is present, null is returned. If the DACL is empty, an array with 0 elements is returned.
     * <p>
     * Note that this is different from calling <tt>getSecurity</tt> on a
     * share. There are actually two different ACLs for shares - the ACL on
     * the share and the ACL on the folder being shared.
     * Go to <i>Computer Management</i>

 * 
 * Warning: Do not use this if there is a chance that you might have multiple connections (even plain
 * HttpURLConnections, for the complete JRE) to the same host with different or mixed anonymous/authenticated
 * credentials. Authenticated connections can/will be reused.
 * 
 * @deprecated This is broken by design, even a possible vulnerability. Deprecation is conditional on whether future JDK

     * field should be used for calculating that. This would likely be zero
     * but an implemantation that encorporates the transport header(for
     * efficiency) might use a different initial bufferIndex. For example,
     * to eliminate copying data when writing NbtSession data one might
     * manage that 4 byte header specifically and therefore the initial

     * field should be used for calculating that. This would likely be zero
     * but an implemantation that encorporates the transport header(for
     * efficiency) might use a different initial bufferIndex. For example,
     * to eliminate copying data when writing NbtSession data one might
     * manage that 4 byte header specifically and therefore the initial

                        break;
                                    /* Message was sent to WINS but
                                     * failed to receive response.
                                     * Try a different WINS server.
                                     */
                    if (request.addr == NbtAddress.getWINSAddress())
                        NbtAddress.switchWINS();

                        break;
                    /*
                     * Message was sent to WINS but
                     * failed to receive response.
                     * Try a different WINS server.
                     */
                    if ( request.addr == getWINSAddress() )
                        switchWINS();
                    request.addr = getWINSAddress();
                }

    }

    // supress javadoc constructor summary by removing 'protected'
    Config() {}

    /**
     * Set the default properties of the static Properties used by <tt>Config</tt>. This permits
     * a different Properties object/file to be used as the source of properties for
     * use by the jCIFS library. The Properties must be set <i>before jCIFS
     * classes are accessed</i> as most jCIFS classes load properties statically once.