COMMAND:> USER anonymous
331 Anonymous login ok, send your complete email address as your password.
COMMAND:> PASS *****
230-=======================================
STATUS:> Login successful.
COMMAND:> PWD
257 "/" is current directory.
STATUS:> Home directory: /
COMMAND:> FEAT
500 FEAT not understood.
STATUS:> This site doesn't support the 'features' command.
COMMAND:> REST 100
350 Restarting at 100. Send STORE or RETRIEVE to initiate transfer.
STATUS:> This site can resume broken downloads.
COMMAND:> REST 0
350 Restarting at 0. Send STORE or RETRIEVE to initiate transfer.
COMMAND:> PASV
227 Entering Passive Mode (192,168,1,3,209,242).
COMMAND:> LIST
STATUS:> Connecting FTP data socket 192.168.1.3:53746...
150 Opening ASCII mode data connection for file list
226-Transfer complete.
226 Quotas off
STATUS:> Directory listing completed.
От куда программа знает этот порт? (тот что выделен)