New in version 3.5.0.

If you’ve set WP_FAIL2BAN_SYSLOG_SHORT_TAG and defining WP_FAIL2BAN_HTTP_HOST for each virtual host isn’t appropriate, you can set WP_FAIL2BAN_TRUNCATE_HOST to whatever value you need to make syslog happy:


This does exactly what the name suggests: truncates the host name to the length you specify. As a result there’s no guarantee that what’s left will be enough to identify the site.