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Firewall (computing)

In computing, a firewall is a network security system that monitors and controls incoming and outgoing network traffic based on configurable security rules. A firewall typically establishes a barrier between a trusted network and an untrusted network, such as the Internet or between several VLANs. Firewalls can be categorized as network-based or host-based.

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Overview

History

Types of firewalls

Firewall Policies

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Map overview Semantic statistics

Firewall (computing)

Nodes78
Edges77
Triples8
Avg. degree1.97
Density0.025641
Components1

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Important terminology Word statistics

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Important terminology

firewall network firewalls traffic user services security application rules specific ip packet applications id internet based filter policies packets systems

Entity relationships Subject–Predicate–Object triples

SubjectPredicateObjectConfidenceSrc
web browsinginstance ofenabling firewalls of that era to distinguish between specific types of traffic0.80text
remote printinginstance ofenabling firewalls of that era to distinguish between specific types of traffic0.80text
email transmissioninstance ofenabling firewalls of that era to distinguish between specific types of traffic0.80text
and file transfers.The first paper published on firewall technology was in 1987 when engineers from Digital Equipment Corporationinstance ofenabling firewalls of that era to distinguish between specific types of traffic0.80text
File Transfer Protocolinstance ofThis became the basis for Gauntlet firewall at Trusted Information Systems.The key benefit of application layer filtering is that it can understand certain applications and prot…0.80text
Active Directoryinstance ofregardless of where they are connecting from or what device they are using.The User ID technology is typically integrated into firewall systems through the use of directory serv…0.80text
LDAPinstance ofregardless of where they are connecting from or what device they are using.The User ID technology is typically integrated into firewall systems through the use of directory serv…0.80text
RADIUS or TACACSinstance ofregardless of where they are connecting from or what device they are using.The User ID technology is typically integrated into firewall systems through the use of directory serv…0.80text

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