---- Resolving host address...
---- 1 address found: 202.44.198.118
---- Connecting to 202.44.198.118 (202.44.198.118) port 21
<--- 220 Welcome to TP-LINK FTP server
---> USER
<--- 331 Please specify the password.
---> PASS
<--- 230 Login successful.
---> PWD
<--- 257 "/"
---> PASV
<--- 227 Entering Passive Mode (202,44,198,118,234,92).
---- Connecting data socket to (202.44.198.118) port 59996
---- Data connection established
---> NLST
<--- 150 Here comes the directory listing.
<--- 226 Directory send OK.
---- Got EOF on data connection
---- Closing data socket
---> QUIT
<--- 221 Goodbye.
---- Closing control socket