# LGTV: reconstructing LG webOS TV control exchanges > LGTV reconstructs control of a 2014 LG webOS TV in a Node.js client. The author documents SSDP discovery, WebSocket pairing on ports 3000 and 3001, and cleartext JSON requests observed with network tools, then uses them for input, volume and app controls. - Type: Case study - Targets: Protocol - Category: Independent reconstruction cases - Relationship: Independent reconstruction project - Sources reviewed: 2026-11-09 - Added to the catalog: 2026-11-09 - Original resource: - Primary source: - Catalog page: - Record JSON: - Chinese version: [简体中文](https://awesomerea.org/zh/resources/lgtv-js-case/index.md) ## Requirements & limits - **Prerequisites:** An LG smart TV running webOS is required; the documentation targets later 2014 or 2015 models. - **Prerequisites:** The client and TV must be on the same network, and first use requires approval on the TV. - **Limits:** The project is no longer maintained; turning on the TV and opening YouTube at a URL are listed as unsupported. - **License:** MIT license. ## Primary sources 1. ## More in Protocols - [Inferno: implementing Dante audio networking](https://awesomerea.org/resources/inferno-dante-protocol-case/index.md) · Case study - [Wireshark](https://awesomerea.org/resources/wireshark/index.md) · Tool - [Netzob](https://awesomerea.org/resources/netzob/index.md) · Tool - [Scapy](https://awesomerea.org/resources/scapy/index.md) · Tool - [Universal Radio Hacker (URH)](https://awesomerea.org/resources/universal-radio-hacker/index.md) · Tool - [SavvyCAN](https://awesomerea.org/resources/savvycan/index.md) · Tool ## About this entry The description was reviewed against primary sources. Original editorial content: MIT. Linked projects, papers and assets retain their own rights and licenses.