Basic HTML version of Foils prepared April 7 1998

Foil 18 Firewalls and Gateways II

From Basic Principles of Java and Internet Security CPS616 Web Technologies -- Spring 98. by Geoffrey C. Fox
Now we place a special computer (the gateway) which acts as a functional intermediary between secure IntraNet and Insecure InterNet
Files are transferred back and forth by being deposited on Gateway. Gateway has security difficulties but it only has ephemeral information and can be compromised without serious implications
Firewall Computer I
Corporate
IntraNet
Global InterNet
Firewall Computer II
Gateway Computer

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