WPS on a modem (more accurately, a router) stands for Wi-Fi Protected Setup. It's a feature that simplifies the process of connecting devices to your Wi-Fi network.
How WPS Works:
WPS aims to make connecting devices to your wireless network easier than manually entering the Wi-Fi password. Here's how it typically functions:
- WPS Button: Most routers with WPS have a physical button labeled "WPS."
- Automatic Connection: When you press the WPS button on your router, it enters a discovery mode. Then, you need to enable the WPS connection on the device you wish to connect, typically within a short timeframe (usually a couple of minutes). The device and router will then automatically exchange the necessary information to establish a Wi-Fi connection without you needing to manually input the Wi-Fi password.
Methods of Using WPS:
Besides the physical button, WPS can also utilize other methods:
- PIN Entry: Some devices might require you to enter an 8-digit PIN found on the router's label or in its configuration interface.
- Near Field Communication (NFC): A few devices and routers support WPS via NFC, where simply touching the devices together initiates the connection.
Security Concerns with WPS:
While convenient, WPS, particularly the PIN method, has known security vulnerabilities. A brute-force attack can potentially crack the PIN, compromising your Wi-Fi network security. Therefore, many security experts recommend disabling WPS if it's not actively used.
Summary:
WPS is a feature designed to simplify connecting devices to your Wi-Fi network, primarily through a button press. However, due to security vulnerabilities, it's often recommended to disable WPS if you're not actively using it and to rely on stronger security measures like a complex Wi-Fi password (WPA2 or WPA3).