define service {
    use                     generic-service
    host_name               web01.example.net
    service_description     HTTP
    check_command           check_http
    max_check_attempts      4
    check_interval          5
    retry_interval          1
    flap_detection_enabled  1
    low_flap_threshold      5.0
    high_flap_threshold     15.0
    flap_detection_options  o,w,c,u
    notification_options    w,c,r,f
    contact_groups          admins
}