The simplest form of a TCP port scan is to open a connection to all ports on a host.

TCP端口扫描的最简单形式是打开一个到主机所有端口的连接。

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For example, with the Ethernet, network standard packets are echoed to all physical ports and, by scanning all the packets that go past on the network, you can examine the content.

例如，对于以太网来说，网络标准数据包将发送到所有的物理端口，并且通过扫描通过网络传输的所有数据包，您可以检查其中的内容。

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Port probing is a process that involves scanning all available ports on your server that are accessible to the Internet.

端口探测是一个扫描服务器上所有能访问互联网的可用端口的过程。

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Setting sail in July 2013 from Southampton in the UK, the 70-ft yachts will visit 15 ports on all six continents.

CNN: November 8, 2012 -- Updated 1414 GMT (2214 HKT)

The ports on all three devices looked a bit on the rough side as well -- the mini-HDMI out looked cocked in its port, even.

ENGADGET

The waterproofing has had some effects on the physical design, with all ports (including the headphone socket) now covered with protective flaps.

ENGADGET: Sony Xperia Z: hands-on with the new flagship at CES 2013 (video)