laradock/ipython/ipcontroller-engine.json

{
  "key": "868074dd-060311910ab3d6991611bccf",
  "signature_scheme": "hmac-sha256",
  "unpack": "json",
  "pack": "json",
  "ssh": "",
  "interface": "tcp://*",
  "location": "laradock-ipython",
  "iopub": 33327,
  "hb_ping": 33328,
  "hb_pong": 33329,
  "control": 33330,
  "mux": 33331,
  "task": 33332,
  "registration": 33333
}