TL-R4000Enterprise Broadband Router User Guide

To modify or delete an existing entry:

1.Find the desired entry in the table.

2.Click Modify or Delete as desired on the Modify column.

3.Click the Enable All button to make all the entries enabled.

4.Click the Disable All button to make all the entries enabled.

5.Click the Delete All button to delete all the entries.

6.Click the Next button to go to the next page and Click the Previous button to return to the previous page.

)Note:

1.When the trigger connection is released, the according opening ports will be closed.

2.Each rule allowed to be used only by one host on LAN synchronously. The trigger connection of other hosts on LAN will be refused.

3.Incoming Ports range cannot overlap each other.

4.6.3DMZ

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. DMZ host forwards all the ports at the same time. 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 change when using the DHCP function. You can set up DMZ host on this page shown in Figure 4-24:

Figure 4-24 DMZ

To assign a computer or server to be a DMZ server:

1.Click the Enable radio button

2.Enter the local host IP address in the DMZ Host IP Address field

3.Click the Save button.

)Note:

After you set the DMZ host, the firewall related to the host will not work.

4.6.4UPnP

The Universal Plug and Play (UPnP) feature allows the devices, such as Internet computers, to access the local host resources or devices as needed. UPnP devices can

27