define('WP_FAIL2BAN_BLOCK_USER_ENUMERATION', true); define('WP_FAIL2BAN_BLOCKED_USERS', [ 'admin','Admin','user','User','user1','User1','Administrator','administrator','demo','Demo' ]); define('WP_FAIL2BAN_LOG_COMMENTS', true); define('WP_FAIL2BAN_LOG_COMMENT_ATTEMPTS', 0x00020002 | 0x00020004 | 0x00020010); define('WP_FAIL2BAN_LOG_PASSWORD_REQUEST', true); define('WP_FAIL2BAN_LOG_PINGBACKS', true); define('WP_FAIL2BAN_LOG_SPAM', true); Page not found – James V. Head
It looks like the link pointing here was faulty. Maybe try searching?