questo è quello che succede

Connected. Authenticating...
COMMAND:> USER tekmbon1
331 Password required for tekmbon1.
COMMAND:> PASS ********
230-Welcome to Nextra FTP Site
230-
230- Keep out immediately
230- if not autorized
230-
230---------------------------
230-
230---------------------------
230 User ******** logged in.
STATUS:> Login successful
COMMAND:> TYPE I
200 Type set to I.
COMMAND:> REST 100
350 Restarting at 100.
COMMAND:> REST 0
350 Restarting at 0.
STATUS:> This site can resume broken downloads
COMMAND:> PWD
257 "/tekmbon1" is current directory.
COMMAND:> TYPE A
200 Type set to A.
STATUS:> Retrieving directory listing...
COMMAND:> PASV
227 Entering Passive Mode (193,43,2,110,15,17).
COMMAND:> LIST
STATUS:> Connecting data socket...
425 Can't open data connection.
ERROR:> Failed to establish data socket
ERROR:> File error