1. Firewall
Maxwell, Rajiv, Alex

2. Firewall What is a Firewall? How does a Firewall work?
Why use Firewall?
Examples of Firewalls
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3. What is a Firewall?
protects networked computers from intentional hostile intrusion that could compromise confidentiality or result in data corruption or denial of service
Software or Hardware
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4. What is a Firewall?
Software
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5. What is a Firewall?
Hardware
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6. How does a Firewall work?
Packet Filtering
Circuit Relay
Application Level Gateway
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7. How does a Firewall work?
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8. How does a Firewall work?
Packet Filtering Firewall
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9. How does a Firewall work?
Circuit Level Gateway
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10. How does a Firewall work?
Application Level Gateway
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11. How does a Firewall work?
Stateful Multilayer Inspection Firewall
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12. Why use Firewall? Because hackers can control your computer
conduct major computer crimes
increase internet traffic
access your personal information
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13. Examples of Firewalls Software firewalls: Software
Hardware firewalls: Routers
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14. Examples of Firewalls
WindowsXP
Built-in
Firewall
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15. Summary Firewall is a very important player in fighting computer crime
Without firewalls, computer crime would be much easier to achieve
We need firewalls to protect our identity and our money
Have you got what it takes to feel protected? No? Then get Firewall.
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16. DO YOU HAVE YOUR OWN FIREWALL?
Summary
DO YOU HAVE YOUR OWN FIREWALL?
IF “NOT”, Get one!
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17. Sources Norton Personal Firewall Product Information
Internet Firewall: FAQ
Pantek- Expert IT Security
LLRX Reviews: Fantastic Functional Firewalls by Brett Burney
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18. Firewall
THANK YOU!