![](/images/new-backgrounds/1122450/122450131x1.webp)
| know its IP address and click on the << button to add |
| the IP address to the left blank. If you do not see any |
| computer after you click on the |
| the option “Refresh” and you will be given a list of |
| computers that are connected to your network. |
TCP/UDP Port to Open | This is the TCP/UDP ports you want to trigger. Type in |
| a range of TCP/UDP ports to be triggered. For instance, |
| |
| special application’s requirement. |
Comment | The description of this setting. |
Popular Application | This list includes many popular applications you may be |
| using. Select the application you want to use and click |
| on the Add button next to it; you will see the proper port |
| numbers added to the “TCP/UDP Port to Open” blank. |
Add (in red box) | Click on Add button in the red box to save the trigger |
| rule you set into the |
Current | From the table, you can select each Port triggering |
| setting by checking the “Select” checkbox. |
Delete Selected | If you want to delete a setting, check the ‘select’ box of |
| the setting you want to delete, then click ‘Delete |
| Selected’ button. (You can select more than one |
| setting). |
Delete All | If you want to delete all settings listed here, please click |
| ‘Delete All’ button. |
Reset | You can also click ‘Reset’ button to unselect all. |
Click <Apply> at the bottom of the screen to save the above configurations.
3.3.3 DMZ
If you have a local client PC that cannot run an Internet application (e.g. Games) properly from behind the NAT firewall, then you can open the client up to unrestricted
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