The first port contacts the server on port 21, but instead of then issuing a PORT command and allowing the server to connect back to its data port, the client will issue the PASV command.
第一个端口连接服务器的21端口，与主动FTP模式中提交PORT命令并允许服务器来回连它的数据端口不同，客户端会提交PASV命令。
There will of course be a new binding, a new service and a new port, as shown in Figure 21, Figure 22, and Figure 23 respectively.
当然将会分别使用一个新绑定、一个新服务和一个新端口，如图21、 图22 和 图23 所示。
Suraev and Expedition 22commander Jeffrey Williams were the first to use the new docking portwhen they relocated their Soyuz TMA-16 spacecraft from the aft port ofthe Zvezda Service Module on Jan. 21.
苏雷耶夫和远征22的指挥官杰弗雷·威廉姆斯是首先使用新对接口的人，1月21日他们将联盟TMA-16飞船从星辰号服务舱尾部接口移泊于此。
He says the ship has 21 crew members and was bound for the Kenyan port of Mombasa.
他说，这艘船上有21名船员，当时正在驶往肯尼亚的蒙巴萨。
Check for vulnerabilities of your computer systems: Warning! The test found visible port (s) on your system: 21, 23, 80, 1080, 3128.
检查您的计算机系统是否有漏洞：警告！本测试发现您的系统存在可见端口：21、23、80、1080、3128。
Port, the most common value is 21, but you should confirm that value with the FTP site administrator also.
“端口”，最常用的值是21，但您同样应联系FTP站点管理员对该值进行确认。
Port, the most common value is 21, but you should confirm that value with the FTP site administrator also.
“端口”，最常用的值是21，但您同样应联系FTP站点管理员对该值进行确认。
应用推荐