proxy_config:
    - listen: ws://127.0.0.1:2901/p1
      remote: tcp://127.0.0.1:2903
    - listen: ws://127.0.0.1:2901/p2
      remote: tcp://127.0.0.1:2904
    - listen: tcp://127.0.0.1:2905
      remote: ws://127.0.0.1:2901/p1