1. Firewalls By: Rachel and Merry

6. Types of Firewalls Packet Filters

8. Types of Firewalls Circuit Level Gateway

10. Types of Firewalls Application Level Gateways PROS CONS One of the most secure firewalls Expensive Blocks on content, not just URL Affects network performance Difficult to set up

12. Types Of Firewalls Stateful Multilayer Inspection Firewall PROS CONS Most secure firewall Expensive Must be set up by professional