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Chapter 6, Problem 10RQ
Program Plan Intro

Firewall:

A firewall is security software which imposes a set of protocols to prevent specific types of data from moving among trusted and untrusted level of networks.

  • Types of firewalls that are commonly used as follows:
    • Application layer proxy firewalls
    • Hybrid firewalls
    • Packet filtering firewalls
    • Media access control layer firewalls

Hybrid Firewall:

It combines the structures and utilities from above types of firewalls. It is mainly used to protect user’s servers and workstations from malicious problems and illegal access.

  • “Unified Threat Management (UTM)” is one of the separate types of hybrid firewalls.

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