Port knocking can be configured in a number of ways.
端口碰撞的配置方法有好多种。
Now try that again after starting the port-knocking daemon by using sudo /etc/init.
现在，使用sudo /etc/init.d/knockd start 或 sudo knockd -d启动端口敲门守护进程（这两个命令是等效的），然后再试一下；
Miners knocking back middies in Port Hedland yesterday had reason to cheer.
昨日在黑德兰港痛饮的矿工们有理由欢呼。
That is partly because the earthquake struck the capital, Port-au-Prince, knocking out such institutions as the country possessed.
这当然部分因为地震袭击了首都王子港，抹去了这个国家所有的重要机构。
The port-opening sequence requires knocking at ports 7000, 8000, and 9000. You have 15 seconds to accomplish this sequence.
必须在15秒内完成这个序列。
The port-opening sequence requires knocking at ports 7000, 8000, and 9000. You have 15 seconds to accomplish this sequence.
必须在15秒内完成这个序列。
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