Port 1900 check
COMMAND PID USER FD TYPE DEVICE SIZE/OFF NODE NAME
IndigoPlu 73104 jyarington 23u IPv4 0xd43347e8813661d9 0t0 UDP *:ssdp
This is the contents of the plug in log file it looks like the response is being sent to my AV receiver.
The IP of the Echo is 192.168.1.37
The IP of my mini is 192.168.1.19
Responder.respond: UDP Response sent to ('192.168.1.151', 4996)
2017-11-02 09:25:14.884 DEBUG Plugin.responder.run Responder.run: received: M-SEARCH * HTTP/1.1
MX: 5
ST: urn:schemas-upnp-org:device:MediaServer:1
HOST: 239.255.255.250:1900
MAN: "ssdp:discover"
2017-11-02 09:25:14.884 DEBUG Plugin.responder.respond Responder.respond called from address ('192.168.1.151', 4996)
HTTP/1.1 200 OK
CACHE-CONTROL: max-age=100
EXT:
LOCATION:
http://192.168.1.19:8180/description.xmlSERVER: FreeRTOS/7.4.2, UPnP/1.0, IpBridge/1.7.0
ST: urn:schemas-upnp-org:device:basic:1
USN: uuid:c4c5d4ca-be8d-11e7-93ef-a8206612046e
2017-11-02 09:25:14.885 DEBUG Plugin.responder.respond Responder.respond: creating output_socket
2017-11-02 09:25:14.885 DEBUG Plugin.responder.respond Responder.respond: calling output_socket.sendto
2017-11-02 09:25:14.885 DEBUG Plugin.responder.respond Responder.respond: closing output_socket
2017-11-02 09:25:14.885 DEBUG Plugin.responder.respond Responder.respond: UDP Response sent to ('192.168.1.151', 4996)