Avaya 1.3 사용자 설명서

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Security Issues
Issue 1 October 2003
31
Security Issues
The term security has broad connotations. In the context of Avaya Computer Telephony, 
security refers to toll fraud issues only. The next two sections provide some basic 
guidelines for effecting secure, isolated LAN arrangements for DEFINITY. For more 
information about security-related issues, see Chapter 2 of Avaya Computer Telephony 1.3 
G3 PBX Driver and CVLAN Administration and Maintenance 
(DEFNETM.PDF).
Security — DEFINITY Servers CSI, SI, R
and S8700 Configurations
If your Avaya Computer Telephony configuration relies on a platform that uses the MAPD 
(DEFINITY Server CSI, SI, R and S8700 Configurations) refer to Figure 1-3 as you read 
this section.
Isolating the DEFINITY LAN Gateway
The DEFINITY LAN Gateway system assembly should be on its own separate segment 
and will consequently require its own separate LAN card. This means you will need two 
network interface cards (NICs) in your Telephony Server, one for client access and one for 
the connection between the DEFINITY G3 PBX Driver and the DEFINITY LAN Gateway 
system assembly.
Follow these guidelines to ensure that the DEFINITY LAN Gateway system is not 
accessible from the rest of the network.
Use a separate secure link connecting the Telephony Server to the DEFINITY LAN 
Gateway system.
You will administer the IP address of the DEFINITY G3 PBX Driver during the 
installation of the DEFINITY G3 PBX Driver. Do not administer the same IP address for 
the DEFINITY G3 PBX Driver that your Telephony Server is using. If you do administer 
the same IP address for both, you will leave your system open for possible toll fraud and 
may receive a toll fraud warning. 
Make sure that IP forwarding (formerly referred to as IP routing) is turned off between 
the DEFINITY G3 PBX Driver NIC and the NIC on the Avaya Computer Telephony 
Server. After installing the NIC on your Avaya Computer Telephony server, configure the 
connection with no IP forwarding. See “Configuring the Tserver for a Secure LAN 
Gateway Connection” in Chapter 2 of Avaya Computer Telephony 1.3 G3 PBX Driver 
and CVLAN Administration and Maintenance 
(DEFNETM.PDF).