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Build a Websocket Tunnel in Elixir

Sponsored · Ship Features Fearlessly Turn features on and off without deploys. Used by thousands of Ruby developers. →
Avatar for Hemslo Hemslo
September 05, 2018
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Build a Websocket Tunnel in Elixir

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Hemslo

September 05, 2018
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Transcript

  1. Build a Websocket Tunnel - Wang, Di @hemslo

  2. Tunnel

  3. Websocket

  4. Hello World: Echo Server Task and gen_tcp

  5. Glance SRC --- Client -websocket tunnel- Server --- Forwarder ---

    DEST

  6. Forwarder Connect to destination host:port When data received from source,

    send to destination When data received from destination, send to source Code

  7. Websocket Server Cowboy Phoenix.Endpoint.CowboyWebSocket Phoenix.Transports.WebSocket Code

  8. Websocket Client websocket_client ranch Code

  9. SOCKS Proxy SOCKS Dante ssh -D

  10. TLS: WSS No Coding, don’t invent your own encryption algorithm,

    use TLS. SRC --- Client -wss- Nginx -ws- Server --- Forwarder --- DEST

  11. Future Error handle and connection close Use Cowboy 2 Documentation

    Wider usage

  12. Q&A