Overview; Access Monitor; Port Security - Barracuda Networks NG Network Access Client SP4 Administrator's Manual

11.1 Overview

11.1.1

Access Monitor

The
Access Monitor
include:
•
•
•
11.1.2

Port Security

The Barracuda NG Network Access Client implements the IEEE 802.1X standard. The IEEE 802.1X
standard defines a client-server-based access control and authentication protocol that prevents
unauthorized clients from connecting to a LAN through publicly accessible ports unless they are
authenticated. The credentials for authentication are obtained by the client computer from the Access
Control Server, based on the client computer's health evaluation result, restricting or granting network
access to the client computer.
149 Barracuda NG Access Monitor
Barracuda NG Access Monitor
is the key component of Barracuda NG Network Access Client. Its responsibilities
Collecting information from the client computer necessary for health
evaluation, including
• Workstation identity information
• Operating system information and patch level
• Antivirus and Antispyware information
Communication with the Access Control Server
Taking security measurements dependent on the health evaluation result
returned by the Access Control Server. This includes
• Downloading and installing necessary updates
• Restricting network access
• Executing Antivirus / Antispyware updates and starting scans or updates
Chapter 11