McAfee EPOLICY ORCHESTRATOR 4.0.2 - Guía de usuario Pagina 189

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Detecting Rogue Systems
Unprotected systems are often the weak spot of any security strategy, creating entry points
through which viruses and other potentially harmful programs can access your network. Even
in a managed network environment, some systems might not have an active McAfee Agent on
them. These can be systems that frequently log on and off the network, including test servers,
laptops, or wireless devices.
Rogue System Detection provides real-time detection of rogue systems through use of the
Rogue System Sensor installed throughout your network. The sensor listens to network broadcast
messages and DHCP responses to detect systems connected to the network.
When a sensor detects a system on the network, it sends a message to the ePolicy Orchestrator
server. The server then checks whether the system has an active agent installed and managed.
If the system is unknown to the ePO server, Rogue System Detection provides information to
ePolicy Orchestrator to allow you to take remediation steps, including alerting network and
anti-virus administrators or automatically deploying an agent to the system.
Contents
What are rogue systems
How the Rogue System Sensor works
How detected systems are matched and merged
Rogue System Detection states
Rogue Sensor Blacklist
Rogue System Detection policy settings
Rogue System Detection permission sets
Setting up Rogue System Detection
Configuring Rogue System Detection policy settings
Configuring server settings for Rogue System Detection
Setting up automatic responses to Rogue System Detection events
Working with detected systems
Working with sensors
Working with subnets
Rogue System Detection command-line options
Default Rogue System Detection queries
What are rogue systems
Rogue systems are systems that access your network, but are not managed by your ePO server.
A rogue system can be any device on your network that has a network interface card (NIC).
189McAfee ePolicy Orchestrator 4.0.2 Product Guide
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