Sometimes our wifi connection needs authentication. What's going on here?

After Wifi connection, it is generally necessary to log in to the webpage for authentication, because the connected Wifi is public, such as shopping malls, restaurants, hotels and other public places. Users need to be authenticated by the authentication method preset by the merchant after connecting to Wifi, and can use Wifi normally after success.

Generally speaking, Wifi that can only be connected after authentication is of a commercial nature. The authentication method is basically verified by SMS, WeChat and QQ. So that the merchant can obtain the relevant information provided when the connector is authenticated.

Extended data:

special technology

Wireless network refers to the "wireless compatibility certification" in the field of wireless local area network, which is essentially a commercial certification and a wireless networking technology. In the past, computers were connected by network cables, while Wi-Fi was connected by radio waves. Wireless router is common, so within the effective range of radio wave coverage of this wireless router, Wi-Fi connection can be used for networking. If a wireless router is connected to an ADSL line or other Internet access line, it is also called a hotspot.

commercial wifi

20 14, 1 1, WeChat opens the WiFi interface, which indicates the noise and undercurrent of commercial WiFi. In fact, it is also forced to make some money and have the ability to execute applications. I hope that the huge WeChat users will bring more attention to their businesses to build their own WIFI, thus pushing the offline increment from online. This also shows that-in fact, online and offline is a relatively complete ecology.

The entire closed loop of WiFi ecological construction runs through the whole process of users, thus forming multiple ecological combinations, including: first, how to obtain free traffic portals (push and traffic) in unfamiliar scenes; The second is to get a good experience (technical platform); The third is to obtain LBS attributes and personal instant demand attributes through WiFi. The fourth is the business model of resource integration for targeted product development.

Baidu encyclopedia -wifi