Netgear UTM9S – ProSECURE Unified Threat Management (UTM) Appliance with DSL and Wireless modules 参照マニュアル

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Virtual Private Networking Using IPSec Connections
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 ProSecure Unified Threat Management (UTM) Appliance
RADIUS Client Configuration
Remote Authentication Dial In User Service (RADIUS, RFC 2865) is a protocol for managing 
authentication, authorization, and accounting (AAA) of multiple users in a network. A 
RADIUS server stores a database of user information and can validate a user at the request 
of a gateway or server in the network when a user requests access to network resources. 
During the establishment of a VPN connection, the VPN gateway can interrupt the process 
with an XAUTH request. At that point, the remote user needs to provide authentication 
information such as a user name and password or some encrypted response using his or her 
user name and password information. The gateway then attempts to verify this information 
first against a local user database (if RADIUS-PAP is enabled) and then by relaying the 
information to a central authentication server such as a RADIUS server.
To configure primary and backup RADIUS servers:
1. 
Select VPN > IPSec VPN > RADIUS Client. The RADIUS Client screen displays:
Figure 168.  
2. 
Complete the fields and select the radio buttons as explained in the following table:
Table 68.  RADIUS Client screen settings
Setting
Description
Primary RADIUS Server
To enable and configure the primary RADIUS server, select the Yes radio button, and then enter the 
settings for the three fields to the right. The default setting is that the No radio button is selected.
Primary Server IP Address
The IP address of the primary RADIUS server.