What is used by an application layer gateway to connect to remote servers on behalf of clients?
- packet filter
- stateful firewall
- intrusion detection system
- proxy server
Explanation: When a client needs to access a remote server, it connects to a proxy server. The proxy server connects to the remote server on behalf of the client. Therefore, the server only sees a connection from the proxy server.
Exam with this question: Network Defense (NetDef) Course Final Exam Answers
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