Dell Unity: How to manage FTP settings on a NAS server

To show the current status of a NAS Servers use the below:
 uemcli -d IPofDestination -u localUser -p UserPasswd /net/nas/ftp show

To modify a certain NAS server ftp setting (Add a new user with a certain Home Directory): 
uemcli -d IPofDestination -u localUser -p UserPasswd /net/nas/ftp -server ServerName set -ftpEnabled yes   -defaultHomedir /home/public

Other ftp settings:

/net/nas/ftp -server <value> set [-ftpEnabled <value>] [-
sftpEnabled <value>] [-cifsUserEnabled <value>] [-
unixUserEnabled <value>] [-anonymousUserEnabled <value>] [-
homedirLimitEnabled <value>] [-defaultHomedir <value>] [-
welcome <value>] [-motd <value>] [-auditEnabled {yes|no}] [-
auditDir <value>] [-auditMaxSize <value>] {[-allowHost <value>]
| [-appendAllowHost <value>] | [-removeAllowHost <value>] | [-
denyHost <value>] | [-appendDenyHost <value>] | [-
removeDenyHost <value>]} {[-allowUser <value>] | [-
appendAllowUser <value>] | [-removeAllowUser <value>] | [-
denyUser <value>] | [-appendDenyUser <value>] | [-
removeDenyUser <value>]} {[-allowGroup <value>]| [-
appendAllowGroup <value>] | [-removeAllowGroup <value>] |[-
denyGroup <value>] | [-appendDenyGroup <value>] | [-
removeDenyGroup <value>]}

Refer to the Unity Tech guide for a clear description of the above attributes:
Dell Unity Family Unisphere Command Line Interface User Guide

FTP can be managed also from Unisphere as per below:

-From Storage Panel on the left side of the user interface view >>File >> NAS Server >> Choose the required NAS server on which ftp shall be configured.
-From the Sharing protocol click the FTP then mark the FTP checkbox.