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Honey Net

Honey Net

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Security-conscious admins can use a honeynet to monitor, log, and analyze intrusion techniques.

A honeypot is a system placed on a network to attract an Internet attack. Viewed from the outside, the honeypot looks like an ordinary production computer with various vulnerabilities: an open invitation for an unsuspecting intruder. But the hunter becomes the hunted once the attacker is in. The closely monitored honeypot comes with special tools that log the commands run on the machine and capture information about the attack.

The concept of the honeypot is sometimes extended to a network of honeypots, known as a honeynet. Grouping a number of honeypots with different operating systems and vulnerabilities increases the probability of luring an attacker. At the same time, a setting in which the attacker explores the honeynet through network connections between the various host systems provides additional opportunities for monitoring the attack and uncovering information about the intruder. The honeynet operator can also use the honeynet for training purposes, gaining valuable experience with attack strategies and digital forensics without endangering production systems.

The Honeynet project is a non-profit research organization that provides tools for building and managing honeynets. The tools of the Honeynet project are designed for the latest generation of high-interaction honeynets that require two separate networks (Figure 1). The honeypots reside on the first network, and the second network holds the tools for managing the honeynet. Between these tools (and facing the Internet) is a device known as the honeywall. The honeywall, which is actually a kind of gateway device, "captures controls, and analyzes all inbound and outbound traffic to the honeypots."

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