June 19th, 2018, 9:13 pm
Follow my steps.
On the homepage you will see Security, click on it.
In Security tab you will see another tab named: Firewall Switch. Click On it. You'll see a page.
There will be 3 options.
Enable Firewall
Enable Ip Address Filter
Disable Wan Port Ping.
Now you have to check box. Enable Firewall and Enable IP Address Filter.
Click on next tab named: Lan ip filter and enter all the information.
Click on the next tab named: Virtual Server. Enter Information.
On the next tab named: DMZ Status. Check the box named: DMZ Status: Enable and then Apply.
Click on the tab named: UPnP Setting and Check the enable box and apply.
Click on NAT Settings and check the box cone. There are two boxes. Cone and Symmetric and apply.