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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Note: if you set the source port to 0, your operating system will specify the source port.

注意：如果你的端口被设置为0，你的操作系统将被指定为源端口。

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Source port: the port number assigned to the virtual connection on the connection-initiating host.

源端口：分配给启动连接的主机上虚连接的端口号。

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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.

FORBES: Demystifying Next Gen Firewalls and UTM

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.

BBC: Somali and African Union troops enter Kismayo

They taught the rats to choose the active light source by poking their noses into a port to receive a sip of water as a reward.

BBC: Lab rats 'acquire sixth sense'