00:34:02.159264 IP (tos 0x0, ttl 127, id 50559, offset 0, flags [none], proto: UDP (17), length: 348) 192.168.1.1.1900 > 239.255.255.250.1900: [udp sum ok] UDP, length 320
E..\.......m.........l.l.H.~NOTIFY * HTTP/1.1
HOST:239.255.255.250:1900
CACHE-CONTROL:max-age=120
LOCATION:http://192.168.1.1:5678/igd.xml
NT:urn:schemas-upnp-org:service:WANCommonInterfaceConfig:1
NTS:ssdp:alive
SERVER:Embedded UPnP/1.0
USN:uuid:upnp-WANDevice-1_0-12345678900001::urn:schemas-upnp-org:service:WANCommonInterfaceConfig:1