gost/tests/e2e/testdata/forward/server_sniffing.yaml

services:
  - name: forward-tcp
    addr: :8000
    handler:
      type: tcp
      metadata:
        sniffing: true
        sniffing.timeout: 2s
    listener:
      type: tcp
    forwarder:
      nodes:
        - name: echo
          addr: tcp-echo:5678