UPnP (Universal Plug and Play) is the enemy of security. UPnP automatically opens ports on your router, making you easier to resolve.
Setting your NAT type to "Strict" makes it harder for people to pull your IP because it limits peer connections. However, this will also ruin your ability to play with friends. Not recommended for general use. xresolver xbox booter
A Virtual Private Network (VPN) routes your Xbox traffic through a remote server. The attacker resolves the VPN server's IP, not your home IP. UPnP (Universal Plug and Play) is the enemy of security