What is an application-level gateway

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Problem

1. What is the difference between a packet filtering firewall and a stateful inspection firewall?

2. What is an application-level gateway?

3. What is a circuit-level gateway?

4. What are the differences among the firewalls of Figure 9.1?

 

1556_Type-of-Firewalls.jpg

Reference no: EM131826749

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