0 hours 0 minutes signifies an unlimited 
session time. This setting should be used 
only in special situations as it will lower the 
system security level if users do not logout 
before closing the browser. 
 
The default setting is 4 hours 0 minutes 
HTTP / HTTPS sessions or both are allowed 
to connect to the web admin interface. 
Port to connect to the web admin interface 
(default port is 80 for HTTP and 443 for 
HTTPS). 
Access only allowed through Management 
Port, or through the Management port and a 
specific VLAN. 
 
 
When this option is enabled, the web admin will authenticate using an external RADIUS server. 
Authenticated users are treated as "admin" users with full read-write permission. Local "admin" 
and "user" accounts will be disabled.  
However, when the device fails to communicate with the RADIUS server, local accounts are 
enabled to allow emergency access. 
 
The Authentication Protocols supported are MS-CHAPv2 and PAP. 
 
Management Port Settings