Network+/Security/Firewalls

This lesson covers firewalls.

Objectives and Skills
Objectives and skills for the firewalls portion of Network+ certification include:
 * Given a scenario, install and configure a basic firewall
 * Types of firewalls
 * Host-based
 * Network-based
 * Software vs hardware
 * Application aware/context aware
 * Small office/home office firewall
 * Stateful vs stateless inspection
 * UTM
 * Settings/techniques
 * ACL
 * Virtual wire vs routed
 * DMZ
 * Implicit deny
 * Block/allow
 * Outbound traffic
 * Inbound traffic
 * Firewall placement
 * Internal/external

Readings

 * 1)  Firewall (computing)
 * 2)  Comparison of firewalls

Multimedia

 * 1) Watch YouTube: Firewalls - CompTIA Network+ N10-006 - 3.5.
 * 2) Watch YouTube: Firewall Configurations - CompTIA Network+ N10-006 - 3.5.

Lesson Summary

 * There are many implementations of software based Firewalls, some of the most popular are: Netfilter (iptables), ipfirewall and PF