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The word spoof can be defined as a hoax. Protocol spoofing is the misuse of a network protocol to perpetrate a hoax on a host or a network device.

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•An IDS is a solution designed to detect unauthorized user activities, attacks, and network compromises.

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Network Access Protection (NAP) is solution that allows administrators a more powerful way to control access to network resources.

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•A honey net is just a collection of honeypots used to present an attacker an even more realistic attack environment.

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•The OSI model is a conceptual model, created by the International Organization for Standardization (ISO) in 1978 and revised in 1984, to describe a network architecture that allows data to be passed between computer systems.

•While never fully utilized as model for a protocol, the OSI model is the standard for discussing how networking works.

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Stateful inspection also determines whether or not a packet is part of an existing session and that information can be used to determine whether to permit or deny a packet.

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physical address of computer.

•You can use MAC addresses to control what systems are able to connect to a WLAN through the use of MAC filters.

•By turning MAC filtering on, you can limit network access to only permitted systems by entering the MAC address information into the MAC filters.

•The table of permitted MAC addresses is maintained by the wireless access points.

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A firewall is a system that is designed to protect a computer or a computer network from network-based attacks. firewall does this by filtering the data packets traversing the network.

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–Host firewall: A software firewall is a firewall application installed on a host, used to protect the host from network-based attacks.

•Host firewalls are also known as personal firewalls.

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An intrusion prevention system (IPS) is very similar to an IDS, except that in addition to detecting and alerting, an IPS can also take action to prevent to breach from occurring.

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A honeypot is a trap for hackers. A honey pot is designed to distract hackers from real targets, detect new vulnerabilities and exploits, and learn about the identity of attackers.

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The word spoof can be defined as a hoax. Protocol spoofing is the misuse of a network protocol to perpetrate a hoax on a host or a network device.

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•A firewall is a system that is designed to protect a computer or a computer network from network-based attacks.

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•Circuit-level firewalls are typically considered a second generation firewall technology.

•They work in a very similar fashion as packet-filtering firewalls, but they operate at the transport and session layers of the OSI model.

•Instead of analyzing each individual packet, a circuit-level firewall monitors TCP/IP sessions, by monitoring the TCP handshaking between packets to validate the session.

•Traffic is filtered based on specified session rules and may be restricted to authorized computers only.

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Application-level firewalls work by performing a deep inspection of application data as it traverses the firewall