WifiDog 是一款开源的用来实现无线认证的软件，可以集成到路由器或者网关中，对于连接到路由器或者网关的设备，使其先登录云端认证服务器，然后通过认证才能上网。比如在星巴克上网，浏览器会先弹出一个广告页面，我们输入手机号，获取验证码，然后就可以上网了。

WifiDog is a open source used to implement the software of wireless authentication and can be integrated into a router or gateway, to connect to the router or gateway equipment, its log clouds authentication server, and then through the certification to Internet. For example, in the Internet, the browser will pop up an ad page, we enter the phone number, get the verification code, and then you can access the Internet.