idle_timeout

idle_timeout closes connections without traffic and can limit the total connection lifetime.

server:
  tcp:
    middlewares:
      timeouts:
        idle_timeout:
          timeout: 5m
          max_duration: 12h

Field	Default	Description
timeout		Close the connection when no data is read from or written to the client for this duration.
max_duration		Close the connection after this duration regardless of traffic.

At least one of the fields is required. Traffic in either direction keeps the connection alive.