Denial-of-service attack and Firewall (computing)

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Difference between Denial-of-service attack and Firewall (computing)

Denial-of-service attack vs. Firewall (computing)

In computing, a denial-of-service attack (DoS attack) is a cyber-attack in which the perpetrator seeks to make a machine or network resource unavailable to its intended users by temporarily or indefinitely disrupting services of a host connected to the Internet. In computing, a firewall is a network security system that monitors and controls incoming and outgoing network traffic based on predetermined security rules.

Access control list

An access control list (ACL), with respect to a computer file system, is a list of permissions attached to an object.

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Application firewall

An application firewall is a form of firewall that controls input, output, and/or access from, to, or by an application or service.

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Computing

Computing is any goal-oriented activity requiring, benefiting from, or creating computers.

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Deep packet inspection

Deep packet inspection is a type of data processing that inspects in detail the data being sent over a computer network, and usually takes action by blocking, re-routing, or logging it accordingly.

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Denial-of-service attack

In computing, a denial-of-service attack (DoS attack) is a cyber-attack in which the perpetrator seeks to make a machine or network resource unavailable to its intended users by temporarily or indefinitely disrupting services of a host connected to the Internet.

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Domain Name System

The Domain Name System (DNS) is a hierarchical decentralized naming system for computers, services, or other resources connected to the Internet or a private network.

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Internet

The Internet is the global system of interconnected computer networks that use the Internet protocol suite (TCP/IP) to link devices worldwide.

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Internet Control Message Protocol

The Internet Control Message Protocol (ICMP) is a supporting protocol in the Internet protocol suite.

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Internet protocol suite

The Internet protocol suite is the conceptual model and set of communications protocols used on the Internet and similar computer networks.

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Intrusion detection system

An intrusion detection system (IDS) is a device or software application that monitors a network or systems for malicious activity or policy violations.

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IP address spoofing

In computer networking, IP address spoofing or IP spoofing is the creation of Internet Protocol (IP) packets with a false source IP address, for the purpose of hiding the identity of the sender or impersonating another computing system.

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Linux

Linux is a family of free and open-source software operating systems built around the Linux kernel.

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Mangled packet

In computer networking, a mangled or invalid packet is a packet — especially IP packet — that either lacks order or self-coherence, or contains code aimed to confuse or disrupt computers, firewalls, routers, or any service present on the network.

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Network packet

A network packet is a formatted unit of data carried by a packet-switched network.

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OSI model

The Open Systems Interconnection model (OSI model) is a conceptual model that characterizes and standardizes the communication functions of a telecommunication or computing system without regard to its underlying internal structure and technology.

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Transmission Control Protocol

The Transmission Control Protocol (TCP) is one of the main protocols of the Internet protocol suite.

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