ftp 中心服务

wgbmary

今天刚刚购买了ftp 流量。现在出现 error list 错误，
请帮我查看下
用户名 test _wgbmary

wgbmary

list error 错误50-|Average Upload Speed:    119.38KB/S                  |
250--------------------------????--------------------------
250 Directory changed to /
PWD
257 "/" is current directory.(Free: 7777.71MB)(bbsftp v2.8)
TYPE A
200 Type set to A.
PORT 172,16,0,60,6,235
200 PORT Command successful.
LIST
150 Opening ASCII mode data connection for /bin/ls.
425 Cannot open data connection.
List Error

qqwweefg

这个也要用钱买的吗？