????:1???????:??????

2????????

3?????????????

4?????????????

5???????

???2?????18??? (?????? ??? ????)18?????,?????“????IP???”,?????????,??IP“??”?????,???????????

????????????“??????????IP????????????????????”?????????????? ????????????? ????????????????? ???????

????????????????????????,??????????????????????????????,???IP????????IP,???????????????????????????????????

???“??????????-???????????-???????”????,????????????????????????????????????????????

?????????????????????????????,???????,?????????????“?”?IP????????@?????? ????????????????«????»???????????????,??????????IP?????????

??,???????????????,?????????“?????”IP?????????,??“????”???????“?????????”????????????

???????????,??,????????????,???IP????,??????,???????????????????????,??(???????????????)

????:?????????