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This menu allows you to configure your device to enable Port Filtering, VPN Passthrough, Port Forwarding, DMZ, Backup Configuration, Power Saving, Firmware Upgrade, and so on.
Firewall
The Firewall menu allows you to set Port Filtering and VPN Passthrough function.
1) Port Filtering
Port filtering allows you to conserve bandwidth by preventing
1.Selecting the list box for the applications for which you want to allow access to the Internet.
2.or enter the application value in the Name, Port, and Protocol boxes.
3.Click Apply.
2)VPN Passthrough
VPN Passthrough is required if you are going to connect to a VPN. (Such as a corporate system.)