-
  addr: http://127.0.0.1:5555
  check: 'mydan'
#  type: post # type: get  default
#  data: a=1&b=2
#  Host: abc.org
-
  port: 8080
#  type: tcp # type: udp  default
#  host: abc.foo.org # host: 127.0.0.1 default