bftpd2.2

220 bftpd 2.2 at 175.31.170.17 ready.
530 Login incorrect.
530 Login incorrect.
503 USER expected.

NetBIOS Response:
  Server Name: CHINATELECOM
  MAC Address: 00:00:00:00:00:00
  Names:
    CHINATELECOM <0x0>
    CHINATELECOM <0x3>
    CHINATELECOM <0x20>
    \x01\x02__MSBROWSE__\x02 <0x1>
    WORKGROUP <0x0>
    WORKGROUP <0x1d>
    WORKGROUP <0x1e>
  Additional Interfaces:
    32.143.137.15
    192.168.1.1

\xc8\x02\x00\x0c\x00\x00\x00\x00\x00\x00\x00\x01