H3C Technologies H3C S7500E Series Switches - Manual (Page 138)

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Portal Configuration
EA series cards, LSQ1GP12EA and LSQ1TGX1EA for example, do not support Portal
authentication.
This chapter includes these sections:
z Portal Overview
z Portal Configuration Task List
z Basic Portal Configuration
z Portal Configuration Examples
z Troubleshooting Portal
Portal Overview
This section covers these topics:
z Introduction to Portal
z Introduction to Extended Portal
z Portal System Components
z Portal Authentication Modes
z Portal Authentication Process
Introduction to Portal
Portal authentication, as its name implies, helps control access to the Internet. Portal
authentication is also called web authentication and a website implementing portal
authentication is called a portal website.
With portal authentication, an access device redirects all users to the portal authentication page.
All users can access the free services provided on the portal website; but to access the Internet,
a user must pass portal authentication.
A user can access a known portal website, enter username and password for authentication.
This authentication mode is called active authentication. There is still another authentication
mode, namely forced authentication, in which the access device forces a user trying to access
the Internet through HTTP to log on to a portal website for authentication.
The portal feature provides the flexibility for Internet service providers (ISPs) to manage
services. A portal website can, for example, present advertisements, and deliver community