Which type of firewall makes use of a proxy server to connect to remote servers on behalf of clients?
- stateful firewall
- stateless firewall
- packet filtering firewall
- application gateway firewall
Answers Explanation & Hints:
An application gateway firewall, also called a proxy firewall, filters information at Layers 3, 4, 5, and 7 of the OSI model. It uses a proxy server to connect to remote servers on behalf of clients. Remote servers will see only a connection from the proxy server, not from the individual clients.