Both should match

[graceful olive]

I don't get how should I enter password in Zigbee2MQRTT ??

[severe folio]

https://www.zigbee2mqtt.io/guide/configuration/mqtt.html

mqtt:
  # Optional: MQTT server authentication user (default: nothing)
  user: my_user
  # Optional: MQTT server authentication password (default: nothing)
  password: my_password