Câu 86: 312-50V11: Certified Ethical Hacker v11 Exam

Robin, an attacker, is attempting to bypass the firewalls of an organization through the DNS tunneling method in order to exfiltrate data. He is using the NSTX tool for bypassing the firewalls. On which of the following ports should Robin run the NSTX tool?

1. A. Port 50
2. B. Port 23
3. C. Port 53 — đáp án hiện tại
4. D. Port 80