220 Frox transparent ftp proxy. Login with username[@host[:port]]
USER anonymous@qt-test-server.qt-test-net
331 Please specify the password.
PASS user@hostname
230 Login successful.
CWD pub
250 Directory successfully changed.
CWD dir-not-readable
550 Failed to change directory.
PWD
257 "/pub"
SIZE file-not-readable.txt
213 41
CWD qxmlquery
250 Directory successfully changed.
CWD /qtest
250 Directory successfully changed.
SIZE bigfile
213 519240
SIZE rfc3252
213 25962
SIZE rfc3252.txt
213 25962
QUIT
221 Goodbye.