Руководство Пользователя для Nortel 4050

14 Chapter 1 TunnelGuard

NN47230-501 (324108-A)

 

starts at bootup 

remains inactive in a listening state until a connection is established 

returns to the listening state once a connection is torn down

Nortel SNAS supports the following TunnelGuard agents:

•

Nortel TunnelGuard System Agent - This agent contains two individual 
entities that are, a system service and the user interface application that are 
accessible through Windows system tray. It is installed as Windows system 
service.
The advantages of using the Nortel TunnelGuard System Agent are system 
and user authentication, and single sign-on in Microsoft and Novell 
environments.

•

Nortel TunnelGuard Desktop Agent - This agent is installed through the 
SNAS captive portal as a JAVA Webstart application on the Windows 
platform and runs as Windows system tray application.
The advantages of using the Nortel TunnelGuard Desktop Agent are user 
authentication and device compliance checking.

•

Nortel TunnelGuard Browser Applet - This applet is a JAVA applet in the 
web browser that runs on Windows and non-Windows operating systems.

There is an icon defined for each of the three TunnelGuard states. 

 shows 

the color and state of each icon. 

Table 1   TunnelGuard icons

Gray

There is no connection to the server. TunnelGuard is in an idle 
state.

Green

TunnelGuard is connected to the server and compliant to policies.

Red

Compliance has failed and a new error is reported.

Blue

The system session is logged on to SNAS and the system policies 
are compliant.

Blue with 
red color X

The system session is logged on and the system policies have 
failed.