axelk@hopl:~$ sw_vers 
ProductName:	Mac OS X
ProductVersion:	10.12.5
BuildVersion:	16F73
 
 
axelk@hopl:~ $ cat /etc/ftpd.conf
# match umask from Mac OS X Server ftpd
# umask all 022
chroot GUEST /Volumes/Sick/ftp
modify guest off
umask  guest 7777
upload guest on
 
 
$ sudo -s launchctl load -w /System/Library/LaunchDaemons/ftp.plist
$ sudo -s launchctl unload -w /System/Library/LaunchDaemons/ftp.plist
 
// axelk is the admin account on the system
$ dseditgroup -o edit -u axelk -a ftp  com.apple.access_ftp
 
$ ftp axelk@localhost
 
Trying ::1...
Connected to localhost.
220 ::1 FTP server (tnftpd 20100324+GSSAPI) ready.
Name (localhost:axelk): ftp
331 Guest login ok, type your name as password.
Password: 
230 Guest login ok, access restrictions apply.
Remote system type is UNIX.
Using binary mode to transfer files.
ftp>