A Penetration Tester Observes That Several High-Numbered Ports Are Listening

question 73

Multiple Choice

A penetration tester observes that several high-numbered ports are listening on a public web server. However, the system owner says the application only uses port 443. Which of the following would be BEST to recommend?

• A) Transition the application to another port.
• B) Filter port 443 to specific IP addresses.
• C) Implement a web application firewall.
• D) Disable unneeded services.

---

Definitions:

Sensors

Devices or instruments that detect and respond to some type of input from the physical environment, such as light, heat, motion, moisture, pressure, or any one of a great number of other environmental phenomena.

Pennsylvania

A state located in the northeastern part of the United States, known for its rich history, diverse culture, and significant contributions to American history.

Productive

Being able to generate, create, or enhance goods, services, or ideas effectively and efficiently.

Ergonomics

The study of designing equipment, devices, and processes that fit the human body and its cognitive abilities, aiming to enhance efficiency and comfort.