# /usr/local/sbin/proftpd -td5
Checking syntax of configuration file
- mod_tls/2.1.2: using OpenSSL 0.9.7e-p1 25 Oct 2004
- </Limit>: ignoring empty context
- warning: unable to determine IP address of ''
- error: no valid servers configured
- Fatal: error processing configuration file '/usr/local/etc/proftpd.conf'

って帰ってきました。。