Steps to reproduce pkg install pure-ftpd Add to /etc/rc.conf pureftpd_enable="YES" pureftpd_flags="-4" # Can be any other argument, as well Run service pure-ftpd start: Starting pureftpd. 421 Invalid argument: "/usr/local/etc/pure-ftpd.conf" /usr/local/etc/rc.d/pure-ftpd: WARNING: failed to start pureftpd