220 bftpd 2.2 at ::ffff:79.121.153.255 ready.
530 Login incorrect.
530 Login incorrect.
500 Unknown command: "HELP"

net-snmp

SNMP:
  Uptime: 98244100
  Description: Wireless N ADSL2+ 4-Port Gateway
  Service: 76
  Versions:
    1
    3
  Name: ZyXEL
  Ordescr: The MIB module for SNMPv2 entities
  Contact: http://www.zyxel.com/
  Oruptime: 7
  Engine Boots: 1
  Engineid Data: 80001f88800e1baa4166730e1c
  Enterprise: 8072
  Objectid: 1.3.6.1.4.1.890.3.2.10
  Engine Time: 11 days, 8:13:50
  Orid: 1.3.6.1.6.3.1
  Location: taiwan