Because every communication contains the source IP address and source port, the mainframe can distinguish between those three different connections.

因为每个通信都包含源ip地址和源端口，所以主机能够区分这三个不同的连接。

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All the elements from the source port type are copied to the target.

将源端口类型的所有元素复制到该目标中。

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Since the NAT router now has the computer's source address and source port saved to the address translation table, it will continue to use that same port number for the duration of the connection.

由于nat路由器现在已经拥有了这台计算机保存在地址转换表中的的源地址和源端口号，它将会在有效期内继续使用同一个端口号进行转换。

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Born as an IPS solution NetASQ rapidly leveraged their ability to do deep packet inspection, (or, as IDC terms it, complete content inspection) to apply policies based not just on source-destination-port, but on content of assembled packet streams.

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Somalia's second largest port is a significant source of revenue for whoever controls it and al-Shabab also used the port to bring in weapons.

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More than just supplying a battery-free source of light, though, the lantern can function as a charger, thanks to a USB port built into the casing.

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