HTTP/1.1 200 OK
ST:upnp:rootdevice
USN:uuid:11111111-0000-c0a8-0101-a8934abb5810::upnp:rootdevice
Location:http://192.168.1.1:5555/DeviceDescription.xml
Cache-Control:max-age=900
Server:Upnp/1.0 UPnP/1.0 IGD/1.00
Ext:

HTTP/1.1 404 Not Found
SERVER: Linux/2.6.36, UPnP/1.0, Portable SDK for UPnP devices/1.6.18
CONNECTION: close
CONTENT-LENGTH: 48
CONTENT-TYPE: text/html