LG OLED55G5WUA webOS integration won't pair - ports open but connection reset

  • Home Assistant setup is on a Raspberry PI
  • Ports 3000/3001 are open
  • curl shows “Connection reset by peer”
  • IP Control enabled, Quick Start on
  • No pairing notification appears

curl output:
curl -v http://10.0.0.51:3000

  • Trying 10.0.0.51:3000…
  • Connected to 10.0.0.51 (10.0.0.51) port 3000
  • using HTTP/1.x

GET / HTTP/1.1
Host: 10.0.0.51:3000
User-Agent: curl/8.14.1
Accept: /

  • Request completely sent off
  • Recv failure: Connection reset by peer
  • closing connection #0
    curl: (56) Recv failure: Connection reset by peer