3.5.0
By default, WPf2b uses LOG_USER for logging comments. If you'd rather it used a different facility you can change it by adding something like the following to wp-config.php:
define('WP_FAIL2BAN_COMMENT_LOG', LOG_LOCAL3);* WP_FAIL2BAN_LOG_COMMENTS * WP_FAIL2BAN_LOG_COMMENTS_EXTRA