本人adsl，有公網ip，在內網有一個小服務器，內網ssh連接沒問題，但是無論是做埠映射還是設定dmz區，外網都無法ssh到這個服務器，為防止運營商屏蔽埠，我把ssh得埠設成了別的值，但依然無效，抓包發現服務器收到包也發出過包，這我就很納悶了，把log貼出來求大家幫忙分析一下。
15:27:01.222418 IP 114.242.248.100.53793 > 192.168.1.120.36000: Flags [S], seq 2149074970, win 65535, options [mss 1440,nop,wscale 4,nop,nop,TS val 251514818 ecr 0,sackOK,eol], length 0
15:27:01.222570 IP 192.168.1.120.36000 > 114.242.248.100.53793: Flags [S.], seq 4092207423, ack 2149074971, win 14480, options [mss 1460,sackOK,TS val 564185 ecr 251514818,nop,wscale 7], length 0
15:27:01.595176 IP 114.242.248.100.53793 > 192.168.1.120.36000: Flags [S], seq 2149074970, win 65535, options [mss 1460,nop,wscale 4,nop,nop,TS val 251515895 ecr 0,sackOK,eol], length 0
15:27:01.595302 IP 192.168.1.120.36000 > 114.242.248.100.53793: Flags [S.], seq 4092207423, ack 2149074971, win 14480, options [mss 1460,sackOK,TS val 564223 ecr 251514818,nop,wscale 7], length 0
15:27:02.413803 IP 192.168.1.120.36000 > 114.242.248.100.53793: Flags [S.], seq 4092207423, ack 2149074971, win 14480, options [mss 1460,sackOK,TS val 564305 ecr 251514818,nop,wscale 7], length 0
15:27:02.623005 IP 114.242.248.100.53793 > 192.168.1.120.36000: Flags [S], seq 2149074970, win 65535, options [mss 1460,nop,wscale 4,nop,nop,TS val 251516902 ecr 0,sackOK,eol], length 0
15:27:02.623134 IP 192.168.1.120.36000 > 114.242.248.100.53793: Flags [S.], seq 4092207423, ack 2149074971, win 14480, options [mss 1460,sackOK,TS val 564325 ecr 251514818,nop,wscale 7], length 0
15:27:03.648781 IP 114.242.248.100.53793 > 192.168.1.120.36000: Flags [S], seq 2149074970, win 65535, options [mss 1460,nop,wscale 4,nop,nop,TS val 251517909 ecr 0,sackOK,eol], length 0
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