+/* Block feature:
+ The scripting interface can propose to create, read, write, delete blocks
+ of data. */
+$cfg['enable_blocks'] = false;
+/* Encryption feature. enabled by default (if possible).
+ * By disabling it, file-level deduplication will be effective. */
+$cfg['enable_crypt'] = true;
+/* Split lenght of link refenrece. */
+$cfg['link_name_lenght'] = 5;