On June 16th, 2020, FreeBSD 11.4 was released. This is the final release in the 11.x branch. If the system is running any release older than 11.4 you should upgrade immediately because security and bug fixes are no longer being released. FreeBSD 11.3 went end-of-life around August 2020 and FreeBSD 10.x has been end-of-life since…