Firewalls

Presented by: Natalie LeCompte, Kara Oliver, Emily Taylor,

and Joe Thrower

What is a Firewall?

Overview

A system designed to prevent unauthorized access to or from a private network

Overview

Types

Types of Firewalls

Software

Hardware

Overview

Types

How it Works

Types of Filtering

Hiding IP Addresses

Port Filtering- Port Number

Packet Filtering- IP Address

MAC Filtering- MAC Address

Overview

Types

How it Works

Personal Firewalls

Overview

Types

How it Works

Personal FirewallsPersonal high speed networks today have the same continuous IP address

Overview

Types

How it Works

Personal Firewalls

Overview

Types

How it Works

Personal Firewalls

Overview

Types

How it Works

Pros & Cons

Advantages

Hardware Firewall

Single Central Solution

Requires Little Configuration

Greater Amounts of Traffic

Background

Types

How it Works

Pros & Cons

Disadvantages

Hardware Firewall

Expensive

Less Upgradable

May Not Block Outgoing Traffic

Background

Types

How it Works

Pros & cons

Conclusion

Conclusion

Best form of Firewall protection is a combination of the two!