TP-LINK AC1750 User Manual

60

Chapter 11

NAT Forwarding

all ports opened. When you are not clear about which ports to open in some special 
applications, like IP camera and database software, you can set the PC to be a DMZ 
host.

DMZ is more applicable in the situation that users are not clear about which ports to open. When it is enabled, the 
DMZ host is totally exposed to the Internet, which may bring some potential safety hazard. If DMZ is not in use, 
please disable it in time.

make the home PC join the Internet online game without port 
restriction.

For example

,  due to some port restriction, when playing the 

online games, you can log in but cannot join a team with other 
players. To solve this problem, set your PC as a DMZ with all 
ports opened.

1   Assign a static IP address to your PC, for example 

192.168.1.100.

2   Visit 

, and log in with the password 

you set for the modem router.

3   Go to 

Advanced 

>

 NAT Forwarding 

>

 DMZ

 and select the 

checkbox to enable DMZ.

4   Enter the IP address 192.168.1.100 in the 

DMZ Host IP 

Address 

filed.

5   Click 

Save

 to save the settings.

The configuration is completed. You’ve set your PC to a DMZ 
host and now you can make a team to game with other players.

UPnP (Universal Plug and Play) protocol allows the applications or host devices 
to automatically find the front-end NAT device and send request to it to open the 
corresponding ports. With UPnP enabled, the applications or host devices in the 
both sides of NAT device can freely communicate with each other realizing the 
seamless connection of the network. You may need to enable the UPnP if you want