While performing a ping sweep of a subnet you receive an ICMP reply of Code 3/Type 13 for all the pings sent out. What is the most likely cause behind this response?
A.
The firewall is dropping the packets.
B.
An in-line IDS is dropping the packets.
C.
A router is blocking ICMP.
D.
The host does not respond to ICMP packets.
Explanation:
:
I choose C