Computer Hacking Forensic Investigator (CHFI v10) — Question 351

What does ICMP Type 3/Code 13 mean?

Answer options

• A. Host Unreachable
• B. Administratively Blocked
• C. Port Unreachable
• D. Protocol Unreachable

Correct answer: B

Explanation

ICMP Type 3/Code 13 indicates that the communication has been blocked due to administrative policies, thus the correct answer is B. Options A, C, and D refer to different types of unreachable messages that do not pertain to administrative restrictions.