The supports the virtual server to enable external users to use the services provided in the local area network (LAN) using the Hypertext Transfer Protocol (HTTP), File Transfer Protocol (FTP), and other protocols.
To enable a client whose IP address is 192.168.1.101 to provide FTP services and be accessed by external users, do the following:
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My FTP server |
21 |
192.168.1.101 |
21 |
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By default, the FTP service port is 21. If this port is changed (for example, it is changed to 8021), the external user must enter ftp://10.2.1.123:8021 to access the FTP server.