Configuration Guide Configuring Web Authentication
4. Authentication server: Provides the authentication service. The authentication server negotiates with the portal server to
determine the protocol (for example, RADIUS) used by authentication.
Main process of WiFiDog Web authentication:
1. Before authentication, the NAS intercepts all HTTP requests from a client and redirects these requests to the iPortal
server. Thereafter, an authentication page is displayed on the browser.
2. During authentication, the client enters information, for example, username, password, and verification code, on the
Webauth URL to interact with the portal server.
3. The portal server checks the validity of the client information in the background. If authentication fails, the portal server
displays the failed authentication result to the client on a Web page. If authentication is successful, the portal server
redirects the client to the NAS.
4. After receiving a request from the client, the NAS initiates check to the portal server. The NAS redirects the client to a
Webpage provided by the portal server based on the check result.
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