bftpd2.2

220 bftpd 2.2 at 61.2.131.163 ready.
530 Login incorrect.
530 Login incorrect.
503 USER expected.

CoAP Resources:
  /qlink
  /qlink/ack
    title: Qlink-ACK Resource

Jetty6.1.x

HTTP/1.1 404 Not Found
Content-Type: text/html; charset=iso-8859-1
Cache-Control: must-revalidate,no-cache,no-store
Content-Length: 1365
Server: Jetty(6.1.x)

YHTC login: 

HTTP/1.1 500 Internal Server Error
SERVER: Linux/2.6.36, UPnP/1.0, Portable SDK for UPnP devices/1.6.18
CONNECTION: close
CONTENT-LENGTH: 60
CONTENT-TYPE: text/html