esphome:
  name: tcp-uart-server-test

host:

api:

logger:
  level: INFO

tcp_uart:
  - id: allowed_bus
    role: server
    port: 18126
    allowed_ips:
      - 127.0.0.1
  - id: denied_bus
    role: server
    port: 18127
    allowed_ips:
      - 192.0.2.1

interval:
  - interval: 50ms
    then:
      - lambda: |-
          uint8_t b;
          while (id(allowed_bus).read_byte(&b)) {
            id(allowed_bus).write_byte(b);
          }