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Wireless Router • User Guide
84
Scenario: You have set up an FTP server within your LAN.
Goal: Open the FTP server to internet users and enable family members who are not at home to
access the resources of the FTP server from the internet.
Solution: You can configure the DMZ host function to reach the goal.
Assume that the information of the FTP server includes:
- IP address: 192.168.0.125
- MAC address: 00:00:00:00:00:01
- Service port: 21
- The WAN IP address of the router: X.X.X.X.
Please ensure that the router obtains an IP address from the public network. This function may not
work on a host with an IP address of a private network or an intranet IP address assigned by ISPs
that start with 100. Common IPv4 addresses are classified into class A, class B and class C. Private
IP addresses of class A range from 10.0.0.0 to 10.255.255.255; Private IP addresses of class B range
from 172.16.0.0-172.31.255.255; Private IP addresses of class C range from 192.168.0.0-
192.168.255.255.
Application description
FTP server
IP: 192.168.0.125
MAC: 00:00:00:00:00:01
Port number: 21
Smartphone
WAN IP: X.X.X.X
Access using an
IP address
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