Netgear UTM25EW-100NAS ユーザーズマニュアル

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ProSecure Unified Threat Management UTM10 or UTM25 Reference Manual
Virtual Private Networking Using IPsec Connections
7-39
v1.0, September 2009
4. Complete the fields, select the radio buttons, and make your selections from the pull-down 
menus as explained 
5. Click Apply to save your settings.
User Database Configuration
When XAUTH is enabled in an Edge Device configuration, users must be authenticated either by a 
local user database account or by an external RADIUS server. Whether or not you use a RADIUS 
server, you might want some users to be authenticated locally. These users must be added to the 
List of Users table on the Users screen, as described in 
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 
Table 7-13. 
Extended Authentication
 Settings
 Item
Description (or Subfield and Description)
Select one of the following radio buttons to specify whether or not Extended Authentication (XAUTH) is 
enabled, and–if enabled–which device is used to verify user account information:
• None. XAUTH is disabled. This the default setting.
• Edge Device. The UTM functions as a VPN concentrator on which one or more gateway tunnels 
terminate. The authentication mode that is available for this configuration is User Database, RADIUS 
PAP, or RADIUS CHAP.
• IPSec Host. The UTM functions as a VPN client of the remote gateway. In this configuration the UTM 
is authenticated by a remote gateway with a user name and password combination.
Authentication 
Type
For an Edge Device configuration: from the pull-down menu, select one of the 
following authentication types:
• User Database. XAUTH occurs through the UTM’s user database. Users must be 
added through the Add User screen (see 
• Radius PAP. XAUTH occurs through RADIUS Password Authentication Protocol 
(PAP). The local user database is first checked. If the user account is not present 
in the local user database, the UTM25 connects to a RADIUS server. For more 
information, see 
.
• Radius CHAP. XAUTH occurs through RADIUS Challenge Handshake 
Authentication Protocol (CHAP). For more information, see 
Username
The user name for XAUTH.
Password
The password for XAUTH.