How TOTOLINK Router Uses DMZ Host

It is suitable for: 



  Background Introduction:

After setting a computer in the local area network as a DMZ host, it will not be restricted when communicating with the internet. 

For example, a certain computer is in progress

For video conferencing or online games, this computer can be set as a DMZ host to make video conferencing and online games smoother. 

Additionally, among internet users

When accessing LAN resources, the server can also be set as a DMZ host.

[Scenario] Suppose you set up an FTP server on the LAN.

[Requirement] Open the FTP server to Internet users, so that family members who are not at home can share the resources on the server.

[Solution] The above requirements can be realized by setting the "DMZ host" function. Assumptions:

  Set up steps

STEP 1: Log in to the wireless router management page

In the browser address bar, 

enter: itoolink.net. Press the Enter key, and if there is a login password, enter the router management interface login password and click "Login".



Find the DMZ host under the Advanced Settings NAT menu and turn it on



Internet users can successfully access the intranet FTP server by using the 'Intranet Service Application Layer 

Protocol Name://Current IP Address of the WAN Port'. as

The internal network service port is not the default port number, and the access format is "Internal network service application layer protocol 

name://WAN port current IP address: Internal network service

Service Port

In this example, the access address is . 

You can find the current IP address of the router's WAN port in the WAN port information.




1.After the configuration is completed, if internet users still cannot access the local area network FTP server, it may be due to the system firewall, 

  antivirus software, and other issues on the DMZ host

  The security guard has blocked internet users from accessing. Please close these programs before attempting again.

2.Before configuration, please ensure that the router WAN port obtains a public IP address. 

  If it is a private IP address or an internal IP address assigned by the network operator (in the order of 100

At the beginning, it will result in the inability to implement the function. 

The commonly used address categories for IPv4 include Class A, Class B, and Class C. 

The private network address for Class A address is; 

The private network addresses for Class B addresses are; 

The private network address for Class C addresses is