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Web authentication failed on Eudemon200E when client configures IE proxy

Publication Date:  2013-09-23 Views:  573 Downloads:  0
Issue Description

Shown topology as above, client access Internet via Eudemon200E and proxy server.
Eudemon200E enable web authentication function, which will prompt web authentication page when client access websites.
If client configures IE proxy, Eudemon200E will not prompt web authentication page
Alarm Information
Handling Process
1. Configure web authentication on Eudemon as below:
user-manage authentication-policy visitante                                    
policy enable                                                                 
new-user deny-authentication                                                  
authentication-mode password                                                  
[Eudemon200E]user-manage user
[Eudemon200E-localuser-user01] password Admin@123

2. Configure IE proxy on client as below, add the ip address of a fixed web page and the ip address of Eudemon200E in exception.

3. When client open IE browser, the access is redirected to web authenticaion page automatically
Root Cause
1. When client configures IE proxy, the http port is changed.
2. Eudemon200E can only support web authentication when the destination port of the http packets is TCP 80
In latest version, Eudemon200E can only support web authentication which http port is TCP 80