* `account_field_name_length`: An account field name maximum length (default: `512`).
* `account_field_value_length`: An account field value maximum length (default: `2048`).
* `external_user_synchronization`: Enabling following/followers counters synchronization for external users.
+* `cleanup_attachments`: Remove attachments along with statuses. Does not affect duplicate files and attachments without status. Enabling this will increase load to database when deleting statuses on larger instances.
## Federation
### MRF policies
Means that:
-1. In 60 seconds, 50 authentication attempts can be performed from the same IP address.
+1. In 60 seconds, 15 authentication attempts can be performed from the same IP address.
2. In 1 second, 10 search requests can be performed from the same IP adress by unauthenticated users, while authenticated users can perform 30 search requests per second.
Supported rate limiters:
* `:statuses_actions` - Status actions such as: (un)repeating, (un)favouriting, creating, deleting.
* `:status_id_action` - (un)Repeating/(un)Favouriting a particular status.
* `:authentication` - Authentication actions, i.e getting an OAuth token.
-* `password_reset` - Requesting password reset emails.
+* `:password_reset` - Requesting password reset emails.
* `:account_confirmation_resend` - Requesting resending account confirmation emails.
* `:ap_routes` - Requesting statuses via ActivityPub.