Build a Websocket Tunnel in Elixir

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