User's Manual

Configuration Guide of XGS-5240-Series
59-1
Chapter 59 Captive Portal
Authentication
59.1 Captive Portal Authentication Configuration
59.1.1
Introduction to Captive Portal Authentication
The authentication function is a way to manage and control the network resources
for users. Authentication function memories the client authentication information in the a
uthentication server according to a certain principles. When a user needs to use the ne
twork resources, the function of captive portal will redirect the network request of user t
o the authentication server, and then the user needs to provide allowed username, pas
sword and other information, the authentication server will judge the information of user
and decide whether the user can be allowed to use the network resources. The switc
h in authentication function plays a role of communicating the user and the authenticati
on server. Through the switch configuration, it enables the user could connect and com
municate with the authentication server, and the server will analyze the data and provid
e the corresponding feedback to the user. Authentication function based on the redirecti
on function.
Redirection is a function of re-connecting the original request to a predetermined si
te and continous to operate. The function is when the AP receives a client request, the
n transfer the client request to a predetermined address, after the operation of the clien
t and the redirected address, in order to complete certain functions and operations. Thi
s operation can achieve the aim to manage and monitor the user. Client redirected to
portal authentication interface, requiring the user to fill in the username and password,
only when the username and password pass the certification and they can use the net
work resources. Portal authentication can achieve different control strategies for different
types of users.
The portal server function is a way to configure different external portal server for
different CP configuration. When network bind different CP configuration, has configured
different portal server, it will launch the redirect page through their binding portal serve
r. You can configure up to 10 external portal servers. Each CP configuration can bind
one portal server.
59.1.2 Captive Portal Authentication Configuration