You can connect, but if you want to receive data through this network, you still need to pass the authentication. Opening the browser will automatically prompt for a password (authentication) or automatically connect through the page provided by the mall to complete the access. If you don't know the password, you can't surf the Internet naturally, or you can connect, but the other party hasn't assigned a legal IP address, so you can't get through the Internet exit, which is the authentication of the gateway router, so you can't!

For example, if you want to access the wireless network provided by Beijing South Railway Station, you need a mobile phone to receive the verification code, and the browser will access the Internet within a limited time after entering the verification authority.

For example, some marketing routers used in restaurants. To use these catering networks, you need to enter the browser to complete.