The NAT we can say as Network Translation Address. It determines how the router process inbound traffic. It protects computers from attacks from the internet but it might prevent some Internet games, point to point application, and multimedia application from working on the computer. If the NAT is in open condition then it provides much less secured firewall but it allows almost all internet application to work. Secured NAT is come as the default settings of the system by visiting the page routerlogin.net. Change the NAT filtering default settings you have to follow the steps as mentioned here.
Step 1:-You have to launch a web browser from any computer or from any mobile device which is connected to the network.
Step 2:-Enter the address in the address bar here as http /www.routerlogin.net.You will get a new window on the screen.

Step 3:-Here you need to enter the router user name and the password on the page routerlogin.net. Here the username is admin and the password in “Password” by default. Both the username and password are case sensitive. Now the basic home page will display on the screen.
Step 4:-You have to select the options advanced>setup then after WAN setup. Then you will get the WAN setup page here
Step 5:-Now select the button which is for NAT filtering. Which are described here as
.SECURED:-It provides a secure firewall to protect the computers on the LAN network from attacks. But this option might prevent internet games.
.OPEN:-It provides a much less secured firewall but it can allow the internet applications to function properly.steps to configure mac spoofing for netgear wifi router.

Step 6:-Now to save the settings you have to click on the “Apply” button. Settings you have change on the page routerlogin.net save now. You can use the system now.






