&& this.sbuf[ 7 ] == (byte) 'B' ) {
                this.smb2 = true;
                // also read the rest of the header
                int lenDiff = Smb2Constants.SMB2_HEADER_LENGTH - SmbConstants.SMB1_HEADER_LENGTH;
                if ( readn(this.in, this.sbuf, 4 + SmbConstants.SMB1_HEADER_LENGTH, lenDiff) < lenDiff ) {
                    return null;
                }

 * </tr>
 * 
 * <tr>
 * <td width="20%"><code>smb://angus/</code></td>
 * <td>
 * This references only a server. The behavior of some methods is different
 * in this context(e.g. you cannot <code>delete</code> a server) however
 * as you might expect the <code>list</code> method will list the available
 * shares on this server.
 * </td>
 * </tr>
 * 
 * <tr>