ftp> open 192.168.0.151
Connected to 192.168.0.151.
220 ProFTPD 1.3.3g Server (NETGEAR ReadyNAS) [192.168.0.151]
Name (192.168.0.151:pi): anonymous
331 Anonymous login ok, send your complete email address as your password
Password:
230 Anonymous access granted, restrictions apply
Remote system type is UNIX.
Using binary mode to transfer files.
ftp> cd backup
250 CWD command successful
ftp> cd ftptest
250 CWD command successful
ftp> dir
200 PORT command successful
150 Opening ASCII mode data connection for file list
226 Transfer complete
ftp> put ws__data.txt
local: ws__data.txt remote: ws__data.txt
local: ws__data.txt: No such file or directory
ftp> put ws_data.txt
local: ws_data.txt remote: ws_data.txt
200 PORT command successful
550 ws_data.txt: Permission denied
ftp>