Using A Nortel Defense Center - Nortel 2050 Installation Manual

Chapter 1: Before you begin

Using a Nortel Defense Center

In addition to running 3D Sensors with IPS as standalone appliances, you can
manage 3D Sensors with the Nortel Defense Center. The Defense Center
aggregates and correlates events generated by multiple 3D Sensors on different
segments of your network. You can also use the Defense Center to manage,
change, and standardize the intrusion policies on 3D Sensors.
To safeguard the Defense Center, it must be installed on a protected internal
network. Although the Defense Center is configured to have only the necessary
services and ports available, you must make sure that attacks cannot reach it
from outside the firewall.
If the 3D Sensor and the Defense Center reside on the same network, you can
connect the management interface on the 3D Sensor to the same protected
internal network as the Defense Center. This allows you to securely control the
sensor from the Defense Center and aggregate the event data generated on the
3D Sensor's network segment. By using the Defense Center's filtering
capabilities, you can analyze and correlate data from attacks across your network
to evaluate how well your security policies are being implemented.
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