Technical

WPS lets you connect a device by pressing a button instead of typing the WiFi password. Here is how to use it and when to turn it off.

UPnP lets games and apps open router ports by themselves. Here is what it does, the risks and when to turn it on.

127.0.0.1 is localhost, the address that always points back to your own device. Here is what it does and why it is not your router.

IPv4 uses four numbers and is running out. IPv6 has far more addresses. Here is the difference and whether it matters at home.

An IP address is the number that identifies a device on a network. Here is how it works, the main types and how to find yours.

NAT lets every device at home share one public IP address. Here is how it works, what NAT types mean in games and how to fix strict NAT.

A MAC address is the hardware ID of your network adapter. Here is what it does, how it differs from an IP, and how to find it.

DNS turns names like google.com into IP addresses. Here is how it works, which DNS server to use and how to fix DNS errors.

DHCP lets your router give every device an IP address automatically. Here is how it works and how to use reservations.

SSID is simply your WiFi network name. Here is how to find it, change it, hide it, and pick a good one.