Draytek Telnet Command 1.11 - Manual (Page 76)

Telnet Command Reference Guide V1.1 70
2.17.4 sys ftpd
This command displays current status of FTP server.
sys cfg on
sys cfg off
Syntax Description
on It means to turn on the FTP server of the system.
off It means to turn off the FTP server of the system.
Example
> sys ftpd on
% sys ftpd turn on !!!