【正文】
e t h 0 j D N A T t o 1 9 2 . 1 6 8 . 3 . 1i p t a b l e s t n a t A P R E R O U T I N G p t c p d 2 0 2 . 3 8 . 7 8 . 8 7 d p o r t 8 0 j D N A T t o 1 9 2 . 1 6 8 . 3 . 1i p t a b l e s t n a t A P R E R O U T I N G p t c p d 2 0 2 . 3 8 . 7 8 . 8 7 d p o r t 2 2 i e t h 0 j D N A T t o 1 9 2 . 1 6 8 . 3 . 1i p t a b l e s t n a t A P O S T R O U T I N G p t c p s 1 9 2 . 1 6 8 . 3 . 0 / 2 4 d 1 9 2 . 1 6 8 . 3 . 1 d p o r t 8 0 j S N A T t o 1 9 2 . 1 6 8 . 3 . 2 5 4i p t a b l e s t n a t A P O S T R O U T I N G s 1 9 2 . 1 6 8 . 3 . 0 / 2 4 d ! 1 9 2 . 1 6 8 . 0 . 0 / 1 6 j S N A T t o 2 0 2 . 3 8 . 7 8 . 8 7分析分別對(duì)應(yīng)的功能?