Dmz; Upnp - TP-Link TD-W9970 User Manual

3. When necessary, the external host will be able to connect to the local host using one of the
ports defined in the

Note:
1. When the trigger connection is released, the corresponding opened ports will be closed.
2. Each rule can only be used by one host on the LAN at a time. The trigger connection of other hosts
on the LAN will be refused.
3. Open Ports ranges cannot overlap each other.

4.12.3 DMZ

Go to Forwarding → DMZ, and then you can view and configure DMZ host in the screen. The
DMZ host feature allows one local host to be exposed to the Internet for a special-purpose service
such as Internet gaming or videoconferencing. The modem router forwards packets of all services
to the DMZ host. Any PC whose port is being forwarded must have its DHCP client function
disabled and should have a new static IP Address assigned to it because its IP Address may be
changed when using the DHCP function.
To assign a computer or server to be a DMZ server:
1. Click Enable.
2. Enter the IP address of a local PC that is set to be DMZ host in the
field.
3. Click Save.

4.12.4 UPnP

Go to Forwarding → UPnP, and then you can view the information about
The Universal Plug and Play (UPnP)
access the local host resources or devices as needed. UPnP devices can be automatically
discovered by the UPnP service application on the LAN.
Incoming Ports field.
feature allows the devices, such as Internet computers, to
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TD-W9970 User Guide
DMZ Host IP Address
UPnP in the screen.