listen {
ipaddr = ${hostip}
port = 2017

    #
    #  TCP and TLS sockets can accept Access-Request and
    #  Accounting-Request on the same socket.
    #
    #       auth      = only Access-Request
    #       acct      = only Accounting-Request
    #       auth+acct = both
    #
    type = auth+acct

    # For now, only TCP transport is allowed.
    proto = tcp

    # Send packets to the default virtual server
    virtual_server = XXXX

    clients = tcpclients

    #
    #  Connection limiting for sockets with "proto = tcp".
    #
    limit {
          #
          #  Limit the number of simultaneous TCP connections to the socket
          #
          #  The default is 16.
          #  Setting this to 0 means "no limit"
          max_connections = 0

          #  The per-socket "max_requests" option does not exist.

          #
          #  The lifetime, in seconds, of a TCP connection.  After
          #  this lifetime, the connection will be closed.
          #
          #  Setting this to 0 means "forever".
          lifetime = 0

          #
          #  The idle timeout, in seconds, of a TCP connection.
          #  If no packets have been received over the connection for
          #  this time, the connection will be closed.
          #
          #  Setting this to 0 means "no timeout".
          #
          #  We STRONGLY RECOMMEND that you set an idle timeout.
          #
          idle_timeout = 0
    }
}

clients tcpclients {
$INCLUDE ${raddbdir}/tcp_clients.conf
}