Palo Alto Networks Network Security Generalist — Question 3

When a firewall acts as an application-level gateway (ALG), what does it require in order to establish a connection?

Answer options

• A. Pinholes
• B. Dynamic IP and Port (DIPP)
• C. Session Initiation Protocol (SIP)
• D. Payload

Correct answer: D

Explanation

The correct answer is D, as an application-level gateway (ALG) examines the payload of packets to make connection decisions. Options A, B, and C are related to different network functions but do not specifically pertain to the requirements of establishing a connection via an ALG.