So, getting back to fixing NAT type restrictions, if you're on a strict NAT type 3 network, here are the steps you should take: All VPN traffic goes through predefined ports that are open. A VPN makes it impossible for the Internet service provider to see what your traffic is about and impose port restrictions. The simplest way to do this is by using a fast bonding VPN such as Speedify. In this case, in order to get a moderate NAT type 2 and be able to use your gaming console freely on the Internet, you'll have to bypass the port restrictions on these networks. If you connect to the Internet on a public mobile hotspot (campus WiFi, office networks, etc.), UPnP is in most cases disabled and there are a lot of restricted ports as for a strict NAT type 3. How to Enable UPnP on Mobile Hotspot with Connectify So, you'll have the best gaming experience if you're on an open NAT or at least a moderate NAT.

This is the case when the router doesn't have any open ports. Other players on a moderate or strict NAT will not be able to join your hosted games.

Strict NAT (Type 3) - your gaming device has limited connectivity with other players.

When connecting to the Internet through a router that is configured properly, you'll get this NAT type.

Moderate NAT (Type 2) - your gaming console will be able to connect to other players, but some functions will be limited.

This is usually the case when your console is connected directly to the Internet with no router or firewall. Plus - other users will be able to find and connect to the games you are hosting.

Open NAT (Type 1) - all is permitted - your gaming device can connect to anyone's games and host games.In the world of gaming consoles, there are three NAT types that classify the connectivity they have to other players over the Internet: to allow multiple devices to share a single IP address.to add security to the network by keeping the private IP addresses hidden from the Internet.Network Address Translation (NAT) is a method used by routers to translate a public IP address (used on the Internet) into a private IP address (used on your home network) and vice versa.

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