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.