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What is a DMZ and how to configure DMZ host

What is a DMZ

 

A DMZ (demilitarized zone) on a home router refers to a DMZ Host. Strictly speaking, this is not a true DMZ. A home router DMZ host is a host on the internal network that has all UDP and TCP ports open and exposed, except those ports otherwise forwarded. They are often used a simple method to forward all ports to another firewall/NAT device.

 

How to configure DMZ Host
 

Step 1: Login to the management page
 

Open the web browser and type the IP address of the device in the address bar (default is 192.168.1.1/192.168.0.1/192.168.0.254). Press Enter.
 

The default username and password are both admin. Click OK to log into the device.
 

Step 2: Configure the DMZ
 

For Wireless Routers and 3G Routers (Green GUI)

Click: Forwarding > DMZ > Enable/Disable. Input the IP of host device, then click Save.

 

For Wireless Routers and 3G Routers (Blue GUI)


Click Advanced > Forwarding > DMZ > Enable/Disable. Input the IP of the host device, then click Save.



Step 3:  Restart your router for the changes to take effect.

 

For ADSL Routers

 

Blue GUI

Click:  Forwarding > DMZ > Enable/Disable. Input the IP of the host device, then click Save.


Orange GUI

Click Advanced Setup > NAT > DMZ > Enable/Disable. Input the IP of the host device, then click Save.

Note: Power cycle/reboot your router for you settings to take effect.