* **db_log_index_blacklist** - Blacklist of indexes that shouldn't be watched
* **dbclean** (Boolean) - Enable the automatic database cleanup process
* **dbclean-expire-days** (Integer) - Days after which remote items will be deleted. Own items, and marked or filed items are kept.
-* **default_service_class** -
* **diaspora_test** (Boolean) - For development only. Disables the message transfer.
* **directory** - The path to global directory. If not set then "http://dir.friendica.social" is used.
* **disable_email_validation** (Boolean) - Disables the check if a mail address is in a valid format and can be resolved via DNS.
* **worker_cooldown** - Cooldown time after each worker function call. Default value is 0 seconds.
* **xrd_timeout** - Timeout for fetching the XRD links. Default value is 20 seconds.
-## service_class ##
-
-* **upgrade_link** -
-
## experimental ##
* **exp_themes** (Boolean) - Show experimental themes as well.