You are attempting to map out the firewall policy for an organization. You discover your target system is one hop beyond the firewall. Using hping2, you send SYN packets with the exact TTL of the target system starting at port 1 and going up to port 1024. What is this process known as?
A.
Firewalking
B.
Idle scanning
C.
Footprinting
D.
Enumeration